FirstOrDefault

Agents\Playwright\PlaywrightCliRunner.cs (1)

51var versionString = output.Trim().Split(['\n', '\r'], StringSplitOptions.RemoveEmptyEntries).FirstOrDefault()?.Trim();

Backchannel\AppHostConnectionHelper.cs (1)

97.FirstOrDefault();

Certificates\NativeCertificateToolRunner.cs (4)

65var highestVersionedCert = validCerts.FirstOrDefault(); 122.FirstOrDefault(); 219.GroupBy(c => c.Extensions.OfType<X509SubjectKeyIdentifierExtension>().FirstOrDefault()?.SubjectKeyIdentifier) 223.FirstOrDefault();

Commands\AppHostLauncher.cs (1)

360var entryAssemblyPath = Environment.GetCommandLineArgs().FirstOrDefault();

Commands\NewCommand.cs (2)

397?? channels.FirstOrDefault() 458.FirstOrDefault();

Commands\TelemetryCommandHelpers.cs (1)

294var extractedDashboardUrl = ExtractDashboardBaseUrl(dashboardInfo.DashboardUrls?.FirstOrDefault());

Commands\TelemetryTracesCommand.cs (1)

154var trace = traces.FirstOrDefault();

Mcp\Tools\ListIntegrationsTool.cs (1)

78var defaultChannel = packageChannels.FirstOrDefault();

Mcp\Tools\McpToolHelpers.cs (1)

35var dashboardBaseUrl = StripLoginPath(dashboardInfo.DashboardUrls.FirstOrDefault());

NuGet\NuGetPackageAssetResolver.cs (1)

119var packagesPath = lockFile.PackageFolders.FirstOrDefault()?.Path;

Packaging\PackagingService.cs (1)

669.FirstOrDefault();

Program.cs (1)

1314=> BundleVersionLease.TryAcquireFromEnvironment("aspire-cli", args.FirstOrDefault());

Projects\DotNetAppHostProject.cs (1)

2352profile = profiles?.Values.FirstOrDefault();

Projects\DotNetBasedAppHostServerProject.cs (1)

816var version = doc.Descendants(propertyName).FirstOrDefault()?.Value;

Projects\GuestAppHostProject.cs (2)

1034profile = aspireConfig.Profiles.Values.FirstOrDefault(); 1507.FirstOrDefault();

Projects\JavaAppHostToolchainResolver.cs (1)

798var baseCompile = baseRuntimeSpec.PreExecute?.FirstOrDefault()

Projects\ProjectUpdater.cs (1)

393.FirstOrDefault();

Projects\RepositoryToolUpdater.cs (1)

248.FirstOrDefault()?.Version;

src\Shared\ConsoleLogs\SharedAIHelpers.cs (3)

93var logEntry = logRecords.FirstOrDefault() ?? throw new InvalidOperationException("No log entry found in OTLP data."); 142var trace = traces.FirstOrDefault() ?? throw new InvalidOperationException("No trace found in OTLP data."); 394var rootSpan = trace.Spans.FirstOrDefault(s => string.IsNullOrEmpty(s.Span.ParentSpanId)) ?? trace.Spans.FirstOrDefault();

src\Shared\PackageUpdateHelpers.cs (1)

56.FirstOrDefault()?.InformationalVersion;

Telemetry\InternalMicrosoftDetector.cs (3)

352.FirstOrDefault(); 611var userDnsDomain = outputLines.FirstOrDefault() ?? string.Empty; 612var userName = outputLines.Skip(1).FirstOrDefault() ?? string.Empty;

Program.cs (1)

13acquiredBundleLease = BundleVersionLease.TryAcquireFromEnvironment("aspire-managed", args.FirstOrDefault());

ConformanceTests.cs (2)

113service.Query(t => t.Name == tableName).FirstOrDefault(); 133_ = tableClient.GetTableClient("test").Query<TableEntity>(filter: "false").FirstOrDefault();

ConformanceTests.cs (1)

136tableClient.GetBlobContainers().AsPages(pageSizeHint: 1).FirstOrDefault();

ConformanceTests.cs (1)

141_ = tableClient.GetFileSystems().AsPages(pageSizeHint: 1).FirstOrDefault();

ConformanceTests.cs (1)

137tableClient.GetQueues().AsPages(pageSizeHint: 1).FirstOrDefault();

Helpers\CliE2EAutomatorHelpers.cs (2)

654var majorVersion = document.Descendants("MajorVersion").FirstOrDefault()?.Value; 655var minorVersion = document.Descendants("MinorVersion").FirstOrDefault()?.Value;

Helpers\CliE2ETestHelpers.cs (3)

934doc.Descendants(ns + name).FirstOrDefault()?.Value; 963.FirstOrDefault()?.Value; 1029.FirstOrDefault();

McpDocsE2ETests.cs (1)

310.FirstOrDefault() ?? string.Empty;

Commands\AgentInitCommandTests.cs (5)

188if (items.FirstOrDefault() is SkillLocation) 231if (items.FirstOrDefault() is SkillLocation) 295if (items.FirstOrDefault() is SkillLocation) 343if (items.FirstOrDefault() is SkillLocation) 489if (items.FirstOrDefault() is SkillLocation)

Commands\AgentMcpCommandTests.cs (1)

583if (result.Content?.FirstOrDefault() is TextContentBlock textContent)

Commands\InitCommandTests.cs (2)

674if (items.FirstOrDefault() is SkillLocation) 725if (items.FirstOrDefault() is SkillLocation)

Commands\NewCommandTests.cs (1)

3234if (items.FirstOrDefault() is SkillLocation)

Commands\TelemetryLogsCommandTests.cs (1)

240capturedApiKey = values.FirstOrDefault();

Mcp\E2E\McpDocsE2ETests.cs (1)

279.FirstOrDefault() ?? string.Empty;

NuGet\NuGetClientTests.cs (1)

1114var packagesFolder = lockFile.PackageFolders.FirstOrDefault()?.Path

Projects\AppHostServerProjectTests.cs (3)

513var restoreSources = projectDoc.Descendants("RestoreAdditionalProjectSources").FirstOrDefault()?.Value; 570var restoreSources = projectDoc.Descendants("RestoreAdditionalProjectSources").FirstOrDefault()?.Value; 624var restoreSources = projectDoc.Descendants("RestoreAdditionalProjectSources").FirstOrDefault()?.Value;

Projects\PrebuiltAppHostServerTests.cs (19)

tests\Shared\Logging\XunitLoggerProvider.cs (1)

76messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

Components\Dialogs\FilterDialog.razor.cs (2)

106_formModel.Parameter = _parameters.FirstOrDefault(); 124_formModel.Parameter = _parameters.SingleOrDefault(parameter => parameter.Id == selectedParameter) ?? _parameters.FirstOrDefault();

Model\DashboardCommandExecutor.cs (1)

51var operationId = startEvent.Properties.FirstOrDefault();

Model\ResourceGraph\ResourceGraphMapper.cs (2)

35var endpoint = ResourceUrlHelpers.GetUrls(r, includeInternalUrls: false, includeNonEndpointUrls: false).FirstOrDefault() 36?? ResourceUrlHelpers.GetUrls(r, includeInternalUrls: false, includeNonEndpointUrls: true).FirstOrDefault();

Otlp\Storage\SqliteTelemetryRepository.Caching.cs (1)

215if (existingRecords.FirstOrDefault() is { } existing)

Otlp\Storage\SqliteTelemetryRepository.cs (1)

229GetCachedInstruments(resourceKey, meterName, instrumentName).FirstOrDefault()?.Summary;

Controls\StructuredLogDetailsTests.cs (1)

78var duplicate = properties.GroupBy(p => p.Key).Where(g => g.Count() >= 2).FirstOrDefault();

tests\Shared\Logging\XunitLoggerProvider.cs (1)

76messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

Model\TelemetryExportServiceTests.cs (9)

723var logRecord = logsData?.ResourceLogs?.FirstOrDefault()?.ScopeLogs?.FirstOrDefault()?.LogRecords?.FirstOrDefault(); 731var span = tracesData?.ResourceSpans?.FirstOrDefault()?.ScopeSpans?.FirstOrDefault()?.Spans?.FirstOrDefault(); 739var metric = metricsData?.ResourceMetrics?.FirstOrDefault()?.ScopeMetrics?.FirstOrDefault()?.Metrics?.FirstOrDefault();

tests\Shared\Logging\XunitLoggerProvider.cs (1)

76messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

ApplicationModel\ExecutableLaunchRecipe.cs (2)

317.FirstOrDefault(); 476.FirstOrDefault();

ApplicationModel\ExecutionConfigurationGathererContext.cs (1)

44var launchToolArgumentsData = AdditionalConfigurationData.OfType<UnresolvedLaunchToolArgumentsData>().FirstOrDefault();

ApplicationModel\HttpsCertificateExecutionConfigurationGatherer.cs (1)

44certificate = developerCertificateService.Certificates.FirstOrDefault();

ApplicationModel\ResourceTerminalCatalog.cs (1)

80var annotation = resource.Annotations.OfType<TerminalAnnotation>().FirstOrDefault();

ApplicationModel\ResourceUrlsEditor.cs (1)

32var endpoint = referenceExpression.ValueProviders.OfType<EndpointReference>().FirstOrDefault();

ApplicationModel\TerminalResourceSnapshotProperties.cs (2)

43var terminalAnnotation = resource.Annotations.OfType<TerminalAnnotation>().FirstOrDefault(); 80var instances = resource.Annotations.OfType<DcpInstancesAnnotation>().FirstOrDefault();

Backchannel\AuxiliaryBackchannelRpcTarget.cs (2)

448var terminalAnnotation = resource.Annotations.OfType<TerminalAnnotation>().FirstOrDefault(); 599var terminalAnnotation = resource.Annotations.OfType<TerminalAnnotation>().FirstOrDefault();

Dcp\ContainerCreator.cs (1)

272var terminalAnnotation = terminalAnnotations.FirstOrDefault();

Dcp\DcpExecutor.cs (1)

1159.OfType<IResourceReference>().FirstOrDefault();

Dcp\ExecutableCreator.cs (1)

380terminalAnnotations.FirstOrDefault() is not { } terminalAnnotation)

Dcp\Model\Executable.cs (1)

313launchConfiguration = launchConfigurations?.FirstOrDefault();

DeveloperCertificateService.cs (1)

56.GroupBy(c => c.Extensions.OfType<X509SubjectKeyIdentifierExtension>().FirstOrDefault()?.SubjectKeyIdentifier)

Orchestrator\ApplicationOrchestrator.cs (1)

66var dashboardUrl = dashboardOptions.Value.DashboardUrl?.Split(';', StringSplitOptions.RemoveEmptyEntries).FirstOrDefault();

Pipelines\DistributedApplicationPipeline.cs (1)

1363.FirstOrDefault();

ResourceBuilderExtensions.cs (2)

1191.FirstOrDefault(); 2195var endpoint = url.ValueProviders.OfType<EndpointReference>().FirstOrDefault();

src\Shared\PackageUpdateHelpers.cs (1)

56.FirstOrDefault()?.InformationalVersion;

AzureBicepResource.cs (1)

337var azureEnvironment = context.Model.Resources.OfType<AzureEnvironmentResource>().FirstOrDefault();

AzureAppServiceWebsiteContext.cs (2)

508if (_endpointMapping.FirstOrDefault() is var (_, mapping)) 682.FirstOrDefault();

AzureContainerRegistryHelpers.cs (1)

26var azureEnvironment = context.Model.Resources.OfType<AzureEnvironmentResource>().FirstOrDefault() ??

AzureEventHubsExtensions.cs (1)

317var customConfigFile = builder.Resource.Annotations.OfType<ConfigFileAnnotation>().FirstOrDefault();

AzureFrontDoorExtensions.cs (1)

243.FirstOrDefault();

AzureSandboxContainerDeployment.cs (1)

497if (portStates.FirstOrDefault() is JsonObject firstPort && firstPort["Url"]?.GetValue<string>() is { } publicUrl)

AzureServiceBusExtensions.cs (1)

467var customConfigFile = builder.Resource.Annotations.OfType<ConfigFileAnnotation>().FirstOrDefault();

AzureBicepResourceTests.cs (1)

224var annotation = bicepResource.Resource.Annotations.OfType<Aspire.Hosting.Pipelines.PipelineStepAnnotation>().FirstOrDefault();

AzureContainerAppsTests.cs (2)

2530var batchTarget = batch.Annotations.OfType<DeploymentTargetAnnotation>().FirstOrDefault(); 2531var webTarget = web.Annotations.OfType<DeploymentTargetAnnotation>().FirstOrDefault();

AzureCosmosDBExtensionsTests.cs (2)

38var endpointAnnotation = cosmos.Resource.Annotations.OfType<EndpointAnnotation>().FirstOrDefault(); 59var containerImageAnnotation = cosmos.Resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

AzureEnvironmentResourceTests.cs (2)

107var storageAccount = c.GetProvisionableResources().OfType<StorageAccount>().FirstOrDefault(); 149var storageAccount = c.GetProvisionableResources().OfType<StorageAccount>().FirstOrDefault();

AzureEventHubsExtensionsTests.cs (1)

272var containerImageAnnotation = eventHubs.Resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

AzureServiceBusExtensionsTests.cs (1)

190var containerImageAnnotation = serviceBus.Resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

AddBlazorWasmAppTests.cs (1)

31var snapshot = resource.Annotations.OfType<ResourceSnapshotAnnotation>().FirstOrDefault();

DevTunnelResourceBuilderExtensionsTests.cs (1)

33var tunnelPort = tunnel.Resource.Ports.FirstOrDefault();

EFCoreOperationExecutor.cs (1)

142var execAnnotation = _toolResource.Annotations.OfType<ExecutableAnnotation>().FirstOrDefault();

AddEFMigrationsTests.cs (2)

239var snapshotAnnotation = migrations.Resource.Annotations.OfType<ResourceSnapshotAnnotation>().FirstOrDefault(); 252var iconAnnotation = migrations.Resource.Annotations.OfType<ResourceIconAnnotation>().FirstOrDefault();

EFMigrationWaitForTests.cs (4)

24var waitAnnotation = anotherProject.Resource.Annotations.OfType<WaitAnnotation>().FirstOrDefault(); 77Assert.NotNull(anotherProject.Resource.Annotations.OfType<WaitAnnotation>().FirstOrDefault()); 90var waitAnnotation = container.Resource.Annotations.OfType<WaitAnnotation>().FirstOrDefault(); 106var migrationResource = appModel.Resources.OfType<EFMigrationResource>().FirstOrDefault();

HostedAgent\AzureHostedAgentResource.cs (1)

156var azureEnvironment = context.Model.Resources.OfType<AzureEnvironmentResource>().FirstOrDefault() ??

HostedAgent\HostedAgentBuilderExtension.cs (1)

278if (builder.ApplicationBuilder.Resources.OfType<AzureCognitiveServicesProjectResource>().FirstOrDefault() is { } existingProject)

Toolbox\FoundryToolboxToolDefinition.cs (1)

251.FirstOrDefault();

GoHostingExtensions.cs (1)

705var debuggingAnnotation = builder.Resource.Annotations.OfType<SupportsDebuggingAnnotation>().FirstOrDefault();

MauiEnvironmentHelperTests.cs (1)

80var writeLines = doc.Descendants("WriteLinesToFile").FirstOrDefault();

MauiPlatformExtensionsTests.cs (7)

202var execAnnotation = resource.Annotations.OfType<ExecutableAnnotation>().FirstOrDefault(); 208var metadata = resource.Annotations.OfType<MauiProjectMetadata>().FirstOrDefault(); 212var buildInfo = resource.Annotations.OfType<MauiBuildInfoAnnotation>().FirstOrDefault(); 221var launchOverride = resource.Annotations.OfType<ProjectLaunchArgsOverrideAnnotation>().FirstOrDefault(); 529var annotation = resource.Annotations.OfType<MauiiOSEnvironmentAnnotation>().FirstOrDefault(); 650var annotation = resource.Annotations.OfType<MauiAndroidEnvironmentAnnotation>().FirstOrDefault(); 674var tunnelConfig = maui.Resource.Annotations.OfType<OtlpDevTunnelConfigurationAnnotation>().FirstOrDefault();

MauiUnsupportedPlatformTests.cs (6)

24var annotation = windows.Resource.Annotations.OfType<UnsupportedPlatformAnnotation>().FirstOrDefault(); 48var annotation = macCatalyst.Resource.Annotations.OfType<UnsupportedPlatformAnnotation>().FirstOrDefault(); 72var annotation = iosDevice.Resource.Annotations.OfType<UnsupportedPlatformAnnotation>().FirstOrDefault(); 96var annotation = iosSimulator.Resource.Annotations.OfType<UnsupportedPlatformAnnotation>().FirstOrDefault(); 121var annotation = androidDevice.Resource.Annotations.OfType<UnsupportedPlatformAnnotation>().FirstOrDefault(); 136var annotation = androidEmulator.Resource.Annotations.OfType<UnsupportedPlatformAnnotation>().FirstOrDefault();

ReplicaSet\MongoDbReplicaSetFunctionalTests.cs (1)

497observedChange = directorsWatchCursor.Current.FirstOrDefault();

SingleMemberReplicaSetFunctionalTests.cs (1)

204if (changes.Current.FirstOrDefault() is { } change)

ProviderConfiguration.cs (1)

19if (resourceBuilder.Resource.TryGetAnnotationsOfType<OrleansProviderTypeAnnotation>(out var annotations) && annotations.FirstOrDefault() is OrleansProviderTypeAnnotation annotation)

Annotations\RadiusCloudProvidersAnnotation.cs (1)

33var existing = resource.Annotations.OfType<RadiusCloudProvidersAnnotation>().FirstOrDefault();

Annotations\RadiusRecipeParametersAnnotation.cs (1)

39var existing = resource.Annotations.OfType<RadiusRecipeParametersAnnotation>().FirstOrDefault();

Annotations\RadiusSecretStoresAnnotation.cs (1)

31var existing = resource.Annotations.OfType<RadiusSecretStoresAnnotation>().FirstOrDefault();

Publishing\RadCredentialRegisterStep.cs (2)

72.FirstOrDefault(); 184var annotation = env.Annotations.OfType<RadiusCloudProvidersAnnotation>().FirstOrDefault();

Publishing\RadiusInfrastructureBuilder.cs (8)

305.FirstOrDefault(); 1784.FirstOrDefault(); 1811.FirstOrDefault(); 2050var imageAnnotation = resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault(); 5258.FirstOrDefault(); 5479.FirstOrDefault(); 5507.FirstOrDefault(); 5599.FirstOrDefault();

Secrets\RadiusSecretStoreValidation.cs (1)

228var annotation = resource.Annotations.OfType<Annotations.RadiusSecretStoresAnnotation>().FirstOrDefault();

CloudProviders\MultiEnvironmentProvidersTests.cs (1)

33var annB = envB.Resource.Annotations.OfType<RadiusCloudProvidersAnnotation>().FirstOrDefault();

AtsCapabilityScanner.cs (3)

1681propType.GetGenericArguments().Skip(1).FirstOrDefault()?.FullName == "System.Object"; 2297var innerType = returnType.GetGenericArguments().FirstOrDefault(); 2389var innerType = funcReturnType.GetGenericArguments().FirstOrDefault();

SeqFunctionalTests.cs (2)

65var doc = jsonDocument.RootElement.EnumerateArray().FirstOrDefault(); 68var property = doc.GetProperty("Properties").EnumerateArray().FirstOrDefault();

CommandPathResolver.cs (1)

10return EnumerateFromPath(command, path).FirstOrDefault();

DistributedApplicationFactory.cs (1)

286var firstLaunchProfile = launchProfiles.FirstOrDefault();

TestingBuilderTests.cs (2)

55SearchOption.AllDirectories).FirstOrDefault(); 110var containerImageAnnotation = resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

tests\Shared\Logging\XunitLoggerProvider.cs (1)

76messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

ApplicationModel\Docker\WithDockerfileBuilderTests.cs (2)

471var envAnnotation = container.Resource.Annotations.OfType<EnvironmentAnnotation>().FirstOrDefault(); 473var endpointAnnotation = container.Resource.Annotations.OfType<EndpointAnnotation>().FirstOrDefault();

ApplicationModel\ResourceAnnotationCollectionTests.cs (1)

112var result = collection.OfType<TestAnnotation>().FirstOrDefault();

ContainerRegistryResourceTests.cs (1)

474var annotation = project.Resource.Annotations.OfType<ContainerRegistryReferenceAnnotation>().FirstOrDefault();

Dcp\DcpExecutorTests.cs (31)

ResourceNotificationTests.cs (1)

1825.FirstOrDefault()

WithHttpCommandTests.cs (2)

205var command = resourceBuilder.Resource.Annotations.OfType<ResourceCommandAnnotation>().FirstOrDefault(); 238var command = resourceBuilder.Resource.Annotations.OfType<ResourceCommandAnnotation>().FirstOrDefault();

WithTerminalTests.cs (1)

1084var annotation = resource.Resource.Annotations.OfType<TerminalAnnotation>().FirstOrDefault();

WithUrlsTests.cs (1)

29.Where(a => a.Callback == callback).FirstOrDefault();

tests\Shared\Logging\XunitLoggerProvider.cs (1)

76messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

tests\Shared\Logging\XunitLoggerProvider.cs (1)

76messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

BuildAndRunTemplateTests.cs (3)

67var projectName = Directory.GetFiles(project.AppHostProjectDirectory, "*.csproj").FirstOrDefault(); 131var projectName = Directory.GetFiles(project.AppHostProjectDirectory, "*.csproj").FirstOrDefault(); 231var projectName = Directory.GetFiles(project.RootDir, "*.csproj").FirstOrDefault();

RuntimeSource\Configuration.Binder\Parser\ConfigurationBinder.cs (2)

172ITypeOfOperation? typeOfOperation = GetArgumentForParameterAtIndex(operation.Arguments, 1).ChildOperations.FirstOrDefault() as ITypeOfOperation; 227ITypeOfOperation? typeOfOperation = GetArgumentForParameterAtIndex(operation.Arguments, 1).ChildOperations.FirstOrDefault() as ITypeOfOperation;

Program.cs (2)

411.FirstOrDefault(); 432.FirstOrDefault();

ResolveReadyToRunCompilers.cs (1)

142ITaskItem crossgen2Pack = Crossgen2Packs?.FirstOrDefault();

parent\dotnet\CommandFactory\CommandResolution\DotnetToolsCommandResolver.cs (1)

62var executable = toolDirectory.GetFiles(executableName).FirstOrDefault();

parent\dotnet\CommandFactory\CommandResolution\WindowsExePreferredCommandSpecFactory.cs (1)

56command = args.FirstOrDefault();

parent\dotnet\Commands\Run\FileBasedAppRunPlan.cs (1)

243if (globalProperties.FirstOrDefault() is { } exampleKey)

parent\dotnet\Commands\Sdk\Check\SdkOutputWriter.cs (2)

91return featureBandVersions.FirstOrDefault(); 108var newestProduct = _productCollection.OrderByDescending(product => product.ProductVersion).FirstOrDefault();

parent\dotnet\Commands\Test\MTP\ArtifactPostProcessingPlanner.cs (1)

97.FirstOrDefault();

parent\dotnet\Commands\Test\MTP\Terminal\SimpleTerminalBase.cs (1)

134TestDetailState? activeTest = p.TestNodeResultsState?.GetRunningTasks(1).FirstOrDefault();

parent\dotnet\Extensions\ParseResultExtensions.cs (1)

84ArgumentResult argResult => argResult.Tokens.FirstOrDefault()?.Value,

parent\dotnet\Telemetry\AllowListToSendFirstAppliedOptions.cs (2)

24.OfType<System.CommandLine.Parsing.CommandResult>().FirstOrDefault()? 25.Children.OfType<System.CommandLine.Parsing.CommandResult>().FirstOrDefault()?.Command.Name ?? null;

parent\dotnet\Telemetry\AllowListToSendFirstArgument.cs (3)

17var topLevelCommandNameFromParse = parseResult.RootCommandResult.Children.FirstOrDefault() switch 28var firstArgument = parseResult.RootCommandResult.Children.FirstOrDefault()?.Tokens 29.Where(t => t.Type.Equals(TokenType.Argument)).FirstOrDefault()?.Value ?? null;

parent\dotnet\Telemetry\AllowListToSendVerbSecondVerbFirstArgument.cs (1)

22var secondVerb = parseResult.Tokens.Where(s => s.Type == TokenType.Command).Skip(1).FirstOrDefault()?.Value ?? "";

parent\dotnet\Telemetry\MacAddressGetter.cs (1)

26return GetMacAddressesByNetworkInterface().FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

Analyzers\SolutionCodeFixApplier.cs (1)

34.FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

SuggestionDispatcher.cs (1)

207var commandLine = tokens.FirstOrDefault() ?? "";

CommandProcessorOptions.cs (1)

855FileInfo assemblyFile = directoryInfo.GetFiles(reference.AssemblyName + ".*", SearchOption.AllDirectories).FirstOrDefault();

FrameworkFork\System.Runtime.Serialization\System\Runtime\Serialization\CollectionDataContract.cs (3)

982Type t = type.GetInterfaces().Where(it => it.Equals(interfaceType)).FirstOrDefault(); 1220Type t = type.GetInterfaces().Where(it => it.Equals(interfaceType)).FirstOrDefault(); 1268Type ienumerableInterface = interfaceType.GetInterfaces().Where(t => t.FullName.StartsWith("System.Collections.Generic.IEnumerable")).FirstOrDefault();

FrameworkFork\System.Runtime.Serialization\System\Runtime\Serialization\DataContract.cs (1)

1546var universalDataContractAttribute = attributes.FirstOrDefault();

FrameworkFork\System.Runtime.Serialization\System\Runtime\Serialization\Globals.cs (1)

1026return matchedMethods.FirstOrDefault();

Metadata\MetadataDocumentSaver.cs (2)

290var mainWsdlFile = wsdlFiles.Where(w => !importedWsdl.Any(i => MetadataFileNameManager.UriEqual(i, w.FilePath))).FirstOrDefault(); 294mainWsdlFile = wsdlFiles.FirstOrDefault();

Shared\MSBuildProj.cs (6)

89_projectReferenceGroup = refItems.FirstOrDefault().Parent; 112_referenceGroup = refItems.FirstOrDefault().Parent; 136_packageReferenceGroup = refItems.FirstOrDefault().Parent; 429var ele = doc.Root?.Descendants(elementStr).FirstOrDefault(); 967this.GlobalProperties["TargetFramework"] = this.TargetFrameworks.FirstOrDefault(); 1015depsFile = depsFiles.FirstOrDefault()?.FullName;

Shared\TargetFrameworkHelper.cs (1)

110targetFramework = targetFrameworks.FirstOrDefault() ?? string.Empty;

Shared\Utilities\PathHelper.cs (1)

253fullPath = EnumerateItems(workingDir).Where(item => Path.GetFileName(item).Equals(itemName, RuntimeEnvironmentHelper.FileStringComparison)).FirstOrDefault();

TestInit.cs (1)

563FileInfo nugetFile = binDirectory.GetFiles("dotnet-svcutil-lib.*.nupkg", SearchOption.AllDirectories).Where(f => !f.Name.Contains("symbols")).OrderByDescending(f => f.LastWriteTime).FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

src\aspnetcore\src\Tools\Shared\SecretsHelpers\UserSecretsCreator.cs (1)

31var existingUserSecretsId = projectDocument.XPathSelectElements("//UserSecretsId").FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

src\aspnetcore\src\Tools\Shared\SecretsHelpers\UserSecretsCreator.cs (1)

31var existingUserSecretsId = projectDocument.XPathSelectElements("//UserSecretsId").FirstOrDefault();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Extensions\ISymbolExtensions.cs (1)

242return symbol.GetAttributes(attributeType).FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Options\AnalyzerOptionsExtensions.cs (2)

527if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree) 551if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\AbstractCodeGenerationService.cs (1)

375var field = members.OfType<IFieldSymbol>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationNamedTypeSymbol.cs (1)

96? this.GetMembers(WellKnownMemberNames.DelegateInvokeName).OfType<IMethodSymbol>().FirstOrDefault()

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

50return delegateTypes.WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateGetHashCodeMethod.cs (1)

214return existingMethods.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\AddImports\AbstractAddImportsService.cs (1)

175fallbackNode = contextSpine.OfType<TNamespaceDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Simplification\SimplificationHelpers.cs (2)

66var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 74var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

src\aspnetcore\src\Shared\CommandLineUtils\CommandLine\CommandArgument.cs (1)

25return Values.FirstOrDefault();

GrammarVisitor.cs (1)

731var firstDoc = _documents.Values.FirstOrDefault();

Compiler\DependencyAnalysis\ReadyToRun\DebugDirectoryNode.cs (1)

116DebugDirectoryEntry pdbEntry = entries.Where(s => s.Type == DebugDirectoryEntryType.CodeView).FirstOrDefault();

Linker.Dataflow\FlowAnnotations.cs (1)

917var innerGenericArgument = (genericArgument as IGenericInstance)?.GenericArguments.FirstOrDefault();

Linker.Steps\LinkAttributesParser.cs (2)

227PropertyDefinition? property = attributeType.Properties.Where(prop => prop.Name == propertyName).FirstOrDefault(); 307var enumField = enumType.Fields.Where(f => f.IsStatic && f.Name == svalue).FirstOrDefault();

Linker.Steps\ProcessLinkerXmlBase.cs (1)

647var enumField = typeDefinition.Fields.Where(f => f.IsStatic && f.Name == value).FirstOrDefault();

Linker\MessageOrigin.cs (1)

98.Where(s => s.StartLine != HiddenLineNumber).FirstOrDefault();

RequiresAssemblyFilesAnalyzer.cs (1)

76var isDynamicCodeSupportedProperty = runtimeFeaturesType.GetMembers("IsAssemblyFilesSupported").OfType<IPropertySymbol>().FirstOrDefault();

RequiresDynamicCodeAnalyzer.cs (1)

172var isDynamicCodeSupportedProperty = runtimeFeaturesType.GetMembers("IsDynamicCodeSupported").OfType<IPropertySymbol>().FirstOrDefault();

RequiresUnreferencedCodeAnalyzer.cs (1)

66var isDynamicCodeSupportedProperty = runtimeFeaturesType.GetMembers("IsUnreferencedCodeSupported").OfType<IPropertySymbol>().FirstOrDefault();

SyntaxNodeExtensionsTests.cs (4)

54var methodInvocSyntax = tree.GetRoot().DescendantNodes().OfType<InvocationExpressionSyntax>().FirstOrDefault(); 86var methodInvocSyntax = tree.GetRoot().DescendantNodes().OfType<InvocationExpressionSyntax>().FirstOrDefault(); 149var methodInvocSyntax = tree.GetRoot().DescendantNodes().OfType<InvocationExpressionSyntax>().FirstOrDefault(); 179var methodInvocSyntax = tree.GetRoot().DescendantNodes().OfType<InvocationExpressionSyntax>().FirstOrDefault();

InternalReferencedInPublicDocAnalyzer.cs (3)

26var documentationComment = crefNode.Ancestors(ascendOutOfTrivia: false).OfType<DocumentationCommentTriviaSyntax>().FirstOrDefault(); 34var symbolNode = crefNode.Ancestors().OfType<MemberDeclarationSyntax>().FirstOrDefault(); 45.FirstOrDefault();

Mvc\DetectAmbiguousActionRoutes.cs (1)

122var actionNameAttribute = actionSymbol.GetAttributes(wellKnownTypes.Get(WellKnownType.Microsoft_AspNetCore_Mvc_ActionNameAttribute), inherit: true).FirstOrDefault();

Mvc\DetectOverriddenAuthorizeAttribute.cs (1)

118var attributeUsage = attribute.GetAttributes(attributeUsageAttributeType, inherit: true).FirstOrDefault();

Mvc\MvcAnalyzer.cs (1)

71var controllerRouteAttribute = namedTypeSymbol.GetAttributes(wellKnownTypes.Get(WellKnownType.Microsoft_AspNetCore_Mvc_RouteAttribute), inherit: true).FirstOrDefault();

RouteHandlers\DetectMisplacedLambdaAttribute.cs (1)

28if (lambda.ChildOperations.Count != 1 || lambda.ChildOperations.FirstOrDefault() is not IBlockOperation blockOperation)

RouteHandlers\DisallowMvcBindArgumentsOnParameters.cs (2)

24var modelBindingAttribute = parameter.GetAttributes(wellKnownTypes.Get(WellKnownType.Microsoft_AspNetCore_Mvc_ModelBinding_IBinderTypeProviderMetadata)).FirstOrDefault() ?? 25parameter.GetAttributes(wellKnownTypes.Get(WellKnownType.Microsoft_AspNetCore_Mvc_BindAttribute)).FirstOrDefault();

RouteHandlers\RouteHandlerAnalyzer.cs (1)

82delegateCreation = argument.Descendants().OfType<IDelegateCreationOperation>().FirstOrDefault();

WebApplicationBuilder\WebApplicationBuilderAnalyzer.cs (1)

285.FirstOrDefault();

JSInteropCodeFixProvider.cs (1)

46.FirstOrDefault();

StateHasChangedCodeFixProvider.cs (1)

44.FirstOrDefault();

Builder\RazorComponentsEndpointRouteBuilderExtensions.cs (1)

45var dataSource = endpoints.DataSources.OfType<RazorComponentEndpointDataSource<TRootComponent>>().FirstOrDefault();

AuthenticationStateSerializationOptions.cs (1)

44if (authenticationState.User.Identities.FirstOrDefault() is { } identity)

KeyManagement\DefaultKeyResolver.cs (2)

164select key).FirstOrDefault(); 207select key).FirstOrDefault();

XmlEncryption\XmlEncryptionExtensions.cs (1)

39var elementWhichRequiresDecryption = doc.Descendants(XmlConstants.EncryptedSecretElementName).FirstOrDefault();

DeveloperExceptionPage\Views\CompilationErrorPage.Designer.cs (1)

349var fileName = errorDetail.StackFrames.FirstOrDefault()?.File;

DeveloperExceptionPage\Views\ErrorPage.Designer.cs (1)

370var firstFrame = errorDetail.StackFrames.FirstOrDefault();

Latency\ChecpointAcceptanceTests.cs (1)

112.FirstOrDefault();

Internal\Json\EnumNameHelpers.cs (2)

61.Where(f => f.GetCustomAttributes<OriginalNameAttribute>().FirstOrDefault()?.PreferredAlias ?? true) 65var fieldName = f.GetCustomAttributes<OriginalNameAttribute>().FirstOrDefault()?.Name ?? f.Name;

Internal\StartupLoader.cs (2)

274var typeInfo = startupType1.Concat(startupType2).FirstOrDefault(); 338var methodInfo = selectedMethods.FirstOrDefault();

src\aspnetcore\src\Shared\ErrorPage\ErrorPage.Designer.cs (1)

316var firstFrame = errorDetail.StackFrames.FirstOrDefault();

Internal\Constants.cs (1)

22.FirstOrDefault();

RequestDelegateFactory.cs (6)

728if (parameterCustomAttributes.OfType<IFromRouteMetadata>().FirstOrDefault() is { } routeAttribute) 739else if (parameterCustomAttributes.OfType<IFromQueryMetadata>().FirstOrDefault() is { } queryAttribute) 744else if (parameterCustomAttributes.OfType<IFromHeaderMetadata>().FirstOrDefault() is { } headerAttribute) 749else if (parameterCustomAttributes.OfType<IFromBodyMetadata>().FirstOrDefault() is { } bodyAttribute) 764else if (parameterCustomAttributes.OfType<IFromFormMetadata>().FirstOrDefault() is { } formAttribute) 2169var formAttribute = parameter.GetCustomAttributes().OfType<IFromFormMetadata>().FirstOrDefault();

IdentityUserContext.cs (1)

139.FirstOrDefault()?.ApplicationServiceProvider

Logging\XunitLoggerProvider.cs (1)

78messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

TestFileOutputContext.cs (3)

78var attribute = assembly.GetCustomAttributes().OfType<TestOutputDirectoryAttribute>().FirstOrDefault(); 84var attribute = assembly.GetCustomAttributes().OfType<TestOutputDirectoryAttribute>().FirstOrDefault(); 96var attribute = assembly.GetCustomAttributes().OfType<TestOutputDirectoryAttribute>().FirstOrDefault();

ApiResponseTypeProvider.cs (1)

154.ThenBy(responseType => responseType.ApiResponseFormats.FirstOrDefault()?.MediaType)

EndpointMetadataApiDescriptionProvider.cs (8)

256if (attributes.OfType<IFromRouteMetadata>().FirstOrDefault() is { } routeAttribute) 262else if (attributes.OfType<IFromQueryMetadata>().FirstOrDefault() is { } queryAttribute) 266else if (attributes.OfType<IFromHeaderMetadata>().FirstOrDefault() is { } headerAttribute) 270else if (attributes.OfType<IFromBodyMetadata>().FirstOrDefault() is { } fromBodyAttribute) 274else if (attributes.OfType<IFromFormMetadata>().FirstOrDefault() is { } fromFormAttribute) 397existingResponseType.ApiResponseFormats.FirstOrDefault()?.MediaType == apiResponseType.ApiResponseFormats.FirstOrDefault()?.MediaType)) 426.ThenBy(rt => rt.ApiResponseFormats.FirstOrDefault()?.MediaType)

ApplicationModels\ApiConventionApplicationModelConvention.cs (2)

79action.Attributes.OfType<ProducesErrorResponseTypeAttribute>().FirstOrDefault() ?? 80action.Controller.Attributes.OfType<ProducesErrorResponseTypeAttribute>().FirstOrDefault() ??

ApplicationModels\ApplicationModelFactory.cs (1)

303var verbs = selector.ActionConstraints?.OfType<HttpMethodActionConstraint>().FirstOrDefault()?.HttpMethods;

ApplicationModels\DefaultApplicationModelProvider.cs (5)

176var apiVisibility = attributes.OfType<IApiDescriptionVisibilityProvider>().FirstOrDefault(); 182var apiGroupName = attributes.OfType<IApiDescriptionGroupNameProvider>().FirstOrDefault(); 274var actionName = attributes.OfType<ActionNameAttribute>().FirstOrDefault(); 284var apiVisibility = attributes.OfType<IApiDescriptionVisibilityProvider>().FirstOrDefault(); 290var apiGroupName = attributes.OfType<IApiDescriptionGroupNameProvider>().FirstOrDefault();

Builder\ControllerEndpointRouteBuilderExtensions.cs (1)

530var dataSource = endpoints.DataSources.OfType<ControllerActionEndpointDataSource>().FirstOrDefault();

Filters\MiddlewareFilterConfigurationProvider.cs (1)

51var methodInfo = selectedMethods.FirstOrDefault();

ModelBinding\Metadata\DefaultBindingMetadataProvider.cs (3)

156return matchingAttributes.FirstOrDefault() 160.FirstOrDefault(); 162return context.ParameterAttributes!.OfType<BindingBehaviorAttribute>().FirstOrDefault();

ModelBinding\Metadata\DefaultValidationMetadataProvider.cs (3)

40var validationFilter = context.PropertyAttributes!.OfType<IPropertyValidationFilter>().FirstOrDefault(); 48.FirstOrDefault(); 55var validationFilter = context.ParameterAttributes!.OfType<IPropertyValidationFilter>().FirstOrDefault();

ModelBinding\Metadata\SystemTextJsonValidationMetadataProvider.cs (1)

69=> attributes?.OfType<JsonPropertyNameAttribute>().FirstOrDefault()?.Name;

CorsApplicationModelProvider.cs (4)

47var enableCors = controllerModel.Attributes.OfType<IEnableCorsAttribute>().FirstOrDefault(); 53var disableCors = controllerModel.Attributes.OfType<IDisableCorsAttribute>().FirstOrDefault(); 63enableCors = actionModel.Attributes.OfType<IEnableCorsAttribute>().FirstOrDefault(); 69disableCors = actionModel.Attributes.OfType<IDisableCorsAttribute>().FirstOrDefault();

DataAnnotationsMetadataProvider.cs (10)

ModelBinding\DataMemberRequiredBindingMetadataProvider.cs (1)

35.FirstOrDefault();

NewtonsoftJsonValidationMetadataProvider.cs (1)

66=> attributes?.OfType<JsonPropertyAttribute>().FirstOrDefault()?.PropertyName;

RazorHotReload.cs (1)

29_razorCompiledItemFeatureProvider = applicationPartManager.FeatureProviders.OfType<RazorCompiledItemFeatureProvider>().FirstOrDefault();

Builder\RazorPagesEndpointRouteBuilderExtensions.cs (1)

376var dataSource = endpoints.DataSources.OfType<PageActionEndpointDataSource>().FirstOrDefault();

Filters\AntiforgeryApplicationModelProvider.cs (1)

74var antiforgeryAttribute = filters.OfType<ValidateAntiForgeryTokenAttribute>().FirstOrDefault();

Services\OpenApiGenerator.cs (6)

298var hasFormAttribute = requestBodyParameter.GetCustomAttributes().OfType<IFromFormMetadata>().FirstOrDefault() != null; 409if (attributes.OfType<IFromRouteMetadata>().FirstOrDefault() is { } routeAttribute) 413else if (attributes.OfType<IFromQueryMetadata>().FirstOrDefault() is { } queryAttribute) 417else if (attributes.OfType<IFromHeaderMetadata>().FirstOrDefault() is { } headerAttribute) 421else if (attributes.OfType<IFromBodyMetadata>().FirstOrDefault() is { } fromBodyAttribute) 425else if (attributes.OfType<IFromFormMetadata>().FirstOrDefault() is { } fromFormAttribute)

XmlComments\XmlComment.InheritDoc.cs (1)

286return baseType.Constructors.Where(c => IsSameSignature(methodSymbol, c)).FirstOrDefault();

ResponseCompressionProvider.cs (1)

142selectedProvider = candidates.FirstOrDefault().Provider;

IISUrlRewrite\UrlRewriteFileParser.cs (3)

24var xmlRoot = xmlDoc.Descendants(RewriteTags.Rewrite).FirstOrDefault(); 34ParseRules(xmlRoot.Descendants(RewriteTags.GlobalRules).FirstOrDefault(), result, global: true); 35ParseRules(xmlRoot.Descendants(RewriteTags.Rules).FirstOrDefault(), result, global: false);

RouteEndpointDataSource.cs (1)

246var hasDisableValidationMetadata = builder.Metadata.OfType<IDisableValidationMetadata>().FirstOrDefault() is not null;

src\aspnetcore\src\Shared\ErrorPage\ErrorPage.Designer.cs (1)

316var firstFrame = errorDetail.StackFrames.FirstOrDefault();

Deployers\RemoteWindowsDeployer\RemoteWindowsDeployer.cs (1)

166var environmentVariablesSection = aspNetCoreSection.Elements("environmentVariables").FirstOrDefault();

Internal\Http\HttpProtocol.cs (1)

969(expect.FirstOrDefault() ?? "").Equals("100-continue", StringComparison.OrdinalIgnoreCase))

WebHostBuilderExtensions.cs (1)

196var solutionPath = Directory.EnumerateFiles(directoryInfo.FullName, solutionName).FirstOrDefault();

BackEnd\BuildManager\BuildManager.cs (1)

1120_buildTelemetry.ProjectPath ??= requestData.EntryProjectsFullPath.FirstOrDefault();

BackEnd\Components\ProjectCache\ProjectCacheService.cs (2)

438Type? type = GetTypes<ProjectCachePluginBase>(assembly).FirstOrDefault(); 440type ??= GetTypes<Experimental.ProjectCache.ProjectCachePluginBase>(assembly).FirstOrDefault();

BackEnd\Components\SdkResolution\SdkResult.cs (1)

57var firstPath = paths.FirstOrDefault();

BuildCheck\Checks\DoubleWritesCheck.cs (2)

87string outputPath = taskParameter.EnumerateStringValues().FirstOrDefault() ?? ""; 101string destinationFolderPath = destinationFolder.EnumerateStringValues().FirstOrDefault() ?? "";

BuildCheck\Infrastructure\BuildCheckManagerProvider.cs (2)

578projectFullPath = _projectsByInstanceId.FirstOrDefault().Value; 588projectFullPath = _projectsByEvaluationId.FirstOrDefault().Value;

Construction\ProjectRootElement.cs (2)

719=> GetChildrenReversedOfType<ProjectExtensionsElement>().FirstOrDefault(); 1059ProjectElement reference = ItemGroupsReversed.FirstOrDefault();

Graph\GraphBuildRequestData.cs (2)

219ProjectGraphNode? node = ProjectGraph?.EntryPointNodes.FirstOrDefault(); 225ProjectGraphEntryPoint? entryPoint = ProjectGraphEntryPoints?.FirstOrDefault();

parent\Shared\TypeLoader.cs (1)

689Module module = assembly?.Modules?.FirstOrDefault();

src\9f0d3f3da306d8cf\IEnumerableExtensions.cs (1)

216return source.Cast<T?>().FirstOrDefault();

PreferTypedParameterCodeFixProvider.cs (2)

163var typeDeclaration = conversionNode.AncestorsAndSelf().OfType<TypeDeclarationSyntax>().FirstOrDefault(); 174var property = taskType.GetMembers(propertyName).OfType<IPropertySymbol>().FirstOrDefault();

BootstrapperUtil\BootstrapperBuilder.cs (1)

1867KeyValuePair<string, XmlNode> altCulturePair = _cultures.FirstOrDefault();

GetSDKReferenceFiles.cs (1)

927string cacheFile = FileSystems.Default.EnumerateFiles(_cacheFileDirectory, GetCacheFileName(sdkIdentity, sdkRoot, "*")).FirstOrDefault();

ResolveSDKReference.cs (1)

535var resolvedReference = sdkReferenceItems.Where(y => String.Equals(y.SimpleName, simpleName, StringComparison.OrdinalIgnoreCase) && String.Equals(y.Version, sdkVersion, StringComparison.OrdinalIgnoreCase)).DefaultIfEmpty(null).FirstOrDefault();

WriteCodeFragment.cs (1)

283() => Type.GetType(attribute.Name, throwOnError: false) ?? NamespaceImports.Select(x => Type.GetType($"{x}.{attribute.Name}", throwOnError: false)).FirstOrDefault(),

GitOperations.cs (1)

100FirstOrDefault();

ToolLocationHelper.cs (4)

540.DefaultIfEmpty(null).FirstOrDefault<TargetPlatformSDK>(); 1395return availablePlatformVersions.OrderByDescending(x => x).FirstOrDefault().ToString(); 2511DirectoryInfo extensionSdksDirectory = rootInfo.GetDirectories("Extension SDKs", SearchOption.TopDirectoryOnly).FirstOrDefault(); 2517DirectoryInfo extensionSdksDirectory2 = rootInfo.GetDirectories("ExtensionSDKs", SearchOption.TopDirectoryOnly).FirstOrDefault();

Emit\EditAndContinue\DeltaMetadataWriter.cs (2)

1027int xOrdinal = MetadataTokens.GetRowNumber(_previousGeneration.OriginalMetadata.MetadataReader.GetCustomAttributes(x.parentHandle).FirstOrDefault()); 1028int yOrdinal = MetadataTokens.GetRowNumber(_previousGeneration.OriginalMetadata.MetadataReader.GetCustomAttributes(y.parentHandle).FirstOrDefault());

MetadataReader\PEModule.cs (2)

724var fLeft = left.FirstOrDefault(); 725var fRight = right.FirstOrDefault();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

FixAnalyzers\FixerWithFixAllAnalyzer.cs (4)

91IMethodSymbol? getFixAllProviderMethod = codeFixProviderSymbol.GetMembers(GetFixAllProviderMethodName).OfType<IMethodSymbol>().FirstOrDefault(); 103IPropertySymbol? equivalenceKeyProperty = codeActionSymbol.GetMembers(EquivalenceKeyPropertyName).OfType<IPropertySymbol>().FirstOrDefault(); 244IMethodSymbol getFixAllProviderMethod = type.GetMembers(GetFixAllProviderMethodName).OfType<IMethodSymbol>().FirstOrDefault(); 330IPropertySymbol equivalenceKeyProperty = namedType.GetMembers(EquivalenceKeyPropertyName).OfType<IPropertySymbol>().FirstOrDefault();

FixAnalyzers\FixerWithFixAllAnalyzer.Fixer.cs (1)

66var getFixAllProviderMethod = codeFixProviderSymbol?.GetMembers(FixerWithFixAllAnalyzer.GetFixAllProviderMethodName).OfType<IMethodSymbol>().FirstOrDefault();

MetaAnalyzers\DiagnosticDescriptorCreationAnalyzer_ResourceStringsFormat.cs (1)

79!(dataElement.Elements("value").FirstOrDefault() is { } valueElement))

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Extensions\ISymbolExtensions.cs (1)

242return symbol.GetAttributes(attributeType).FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Options\AnalyzerOptionsExtensions.cs (2)

527if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree) 551if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\AbstractCodeGenerationService.cs (1)

375var field = members.OfType<IFieldSymbol>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationNamedTypeSymbol.cs (1)

96? this.GetMembers(WellKnownMemberNames.DelegateInvokeName).OfType<IMethodSymbol>().FirstOrDefault()

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

50return delegateTypes.WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateGetHashCodeMethod.cs (1)

214return existingMethods.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\AddImports\AbstractAddImportsService.cs (1)

175fallbackNode = contextSpine.OfType<TNamespaceDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Simplification\SimplificationHelpers.cs (2)

66var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 74var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Extensions\ISymbolExtensions.cs (1)

242return symbol.GetAttributes(attributeType).FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Options\AnalyzerOptionsExtensions.cs (2)

527if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree) 551if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree)

src\roslyn\src\RoslynAnalyzers\Utilities\FlowAnalysis\FlowAnalysis\Framework\DataFlow\AnalysisEntityFactory.cs (2)

282symbol = fieldReference.Field.ContainingType.GetUnderlyingValueTupleTypeOrThis()?.GetMembers(name).OfType<IFieldSymbol>().FirstOrDefault() 378var mappedValueTupleField = underlyingValueTupleType.GetMembers(tupleFieldName).OfType<IFieldSymbol>().FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\FlowAnalysis\FlowAnalysis\Framework\DataFlow\DataFlowOperationVisitor.cs (1)

1777var equalsMember = interfaceType.GetMembers("Equals").OfType<IMethodSymbol>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

src\roslyn\src\Analyzers\Core\Analyzers\RemoveUnnecessarySuppressions\AbstractRemoveUnnecessaryPragmaSuppressionsDiagnosticAnalyzer.cs (1)

767.FirstOrDefault();

src\roslyn\src\Analyzers\Core\Analyzers\SimplifyInterpolation\AbstractSimplifyInterpolationHelpers.cs (1)

233var interpolatedStringOperation = AncestorsAndSelf(operation).OfType<IInterpolatedStringOperation>().FirstOrDefault();

src\roslyn\src\Analyzers\Core\Analyzers\UseExplicitTupleName\UseExplicitTupleNameDiagnosticAnalyzer.cs (1)

58var nameNode = memberAccessSyntax.ChildNodesAndTokens().Reverse().FirstOrDefault().AsNode();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

src\roslyn\src\Analyzers\Core\CodeFixes\AddParameter\AddParameterService.cs (1)

204var memberToAssignTo = parameterToExistingMember.FirstOrDefault().Value;

src\roslyn\src\Analyzers\Core\CodeFixes\DocumentationComments\AbstractAddDocCommentNodesCodeFixProvider.cs (2)

82var summaryNode = GetElementNodes(newDocComment, "summary").FirstOrDefault(); 102var nodeAfterNewParamNode = paramNodes.FirstOrDefault() ?? newDocComment.ChildNodes().First();

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateParameterizedMember\TypeParameterSubstitution.cs (1)

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateVariable\AbstractGenerateVariableService.cs (1)

56if (char.IsUpper(name.ToCharArray().FirstOrDefault()))

src\roslyn\src\Analyzers\Core\CodeFixes\ImplementAbstractClass\ImplementAbstractClassData.cs (1)

317constraints.OfType<INamedTypeSymbol>().FirstOrDefault() ??

src\roslyn\src\Analyzers\Core\CodeFixes\MakeMethodSynchronous\AbstractMakeMethodSynchronousCodeFixProvider.cs (1)

121var methodDeclaration = syntaxRoot.GetAnnotatedNodes(annotation).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\AbstractCodeGenerationService.cs (1)

375var field = members.OfType<IFieldSymbol>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationNamedTypeSymbol.cs (1)

96? this.GetMembers(WellKnownMemberNames.DelegateInvokeName).OfType<IMethodSymbol>().FirstOrDefault()

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

50return delegateTypes.WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateGetHashCodeMethod.cs (1)

214return existingMethods.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\AddImports\AbstractAddImportsService.cs (1)

175fallbackNode = contextSpine.OfType<TNamespaceDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Simplification\SimplificationHelpers.cs (2)

66var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 74var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

BoundTree\UnboundLambda.cs (1)

1324.FirstOrDefault()

CommandLine\CSharpCommandLineParser.cs (1)

1709simpleName = PathUtilities.RemoveExtension(PathUtilities.GetFileName(sourceFiles.FirstOrDefault().Path));

Compilation\CSharpSemanticModel.cs (2)

809var existingConstructorInitializer = this.Root.FindToken(position).Parent.AncestorsAndSelf().OfType<ConstructorInitializerSyntax>().FirstOrDefault(); 881var existingConstructorInitializer = this.Root.FindToken(position).Parent.AncestorsAndSelf().OfType<PrimaryConstructorBaseTypeSyntax>().FirstOrDefault();

Compilation\MethodBodySemanticModel.cs (2)

241Root.FindToken(position).Parent?.AncestorsAndSelf().OfType<ConstructorInitializerSyntax>().FirstOrDefault()?.Parent == Root) 263if (Root.FindToken(position).Parent?.AncestorsAndSelf().OfType<PrimaryConstructorBaseTypeSyntax>().FirstOrDefault() == typeDecl.PrimaryConstructorBaseTypeIfClass)

Compilation\SyntaxTreeSemanticModel.cs (2)

704var existingConstructorInitializer = this.Root.FindToken(position).Parent.AncestorsAndSelf().OfType<ConstructorInitializerSyntax>().FirstOrDefault(); 723var existingConstructorInitializer = this.Root.FindToken(position).Parent.AncestorsAndSelf().OfType<PrimaryConstructorBaseTypeSyntax>().FirstOrDefault();

Parser\SyntaxParser.cs (2)

1063var existing = (SyntaxDiagnosticInfo)token.GetDiagnostics().FirstOrDefault(); 1080var existing = (SyntaxDiagnosticInfo)node.GetDiagnostics().FirstOrDefault();

SymbolDisplay\SymbolDisplayVisitor_Minimal.cs (1)

81var firstSymbol = symbols.OfType<ISymbol>().FirstOrDefault();

Symbols\OverriddenOrHiddenMembersHelpers.cs (1)

186Symbol result = hiddenBuilder?.FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\Analyzers\RemoveUnnecessarySuppressions\UnnecessaryNullableWarningSuppressionsUtilities.cs (1)

193var globalStatement = updatedNode.Ancestors().OfType<GlobalStatementSyntax>().FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\CSharpUseRangeOperatorDiagnosticAnalyzer.InfoCache.cs (1)

83.FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\Helpers.cs (3)

34.FirstOrDefault(); 136.FirstOrDefault(); 152.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ExpressionSyntaxExtensions.cs (1)

604var parentNonExpression = expression.GetAncestors().SkipWhile(n => n is ExpressionSyntax).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ParenthesizedExpressionSyntaxExtensions.cs (2)

47var nextChar = tokenAfterParen.Text.FirstOrDefault(); 355: current.ChildNodes().FirstOrDefault() as ExpressionSyntax;

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\SyntaxTreeExtensions.cs (2)

44return syntaxTree.GetContainingTypeDeclarations(position, cancellationToken).FirstOrDefault(); 50return syntaxTree.GetContainingTypeOrEnumDeclarations(position, cancellationToken).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Services\SemanticFacts\CSharpSemanticFacts.cs (1)

104var enumDecl = namedTypeSymbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).OfType<EnumDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Utilities\UsingsAndExternAliasesOrganizer.cs (1)

31.FirstOrDefault() ?? fallbackTrivia;

src\roslyn\src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (3)

701return operation.FirstOrDefault() is IReturnOperation 883=> statementsToCheck.FirstOrDefault() switch 1024if (TryGetAssignmentFromParameterWithExplicitCast(statementsToCheck.FirstOrDefault(), parameter, out otherC))

src\roslyn\src\Analyzers\CSharp\CodeFixes\DisambiguateSameVariable\CSharpDisambiguateSameVariableCodeFixProvider.cs (1)

118matchingMember = members.FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\MakeLocalFunctionStatic\PassInCapturedVariablesAsArgumentsCodeFixProvider.cs (1)

75.Select(d => root.FindNode(d.Location.SourceSpan).AncestorsAndSelf().OfType<LocalFunctionStatementSyntax>().FirstOrDefault())

src\roslyn\src\Analyzers\CSharp\CodeFixes\Nullable\CSharpDeclareAsNullableCodeFixProvider.cs (1)

224var parameter = method.Parameters.Where(p => p.Name == identifier.Text).FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\RemoveUnnecessaryLambdaExpression\CSharpRemoveUnnecessaryLambdaExpressionCodeFixProvider.cs (1)

64var containingStatement = anonymousFunction.AncestorsAndSelf().OfType<StatementSyntax>().FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\UsePrimaryConstructor\CSharpUsePrimaryConstructorCodeFixProvider.cs (1)

586var xmlElement = identifier.AncestorsAndSelf().OfType<XmlEmptyElementSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\CodeGeneration\CSharpCodeGenerationHelpers.cs (1)

213var implementation = implementations.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (4)

1652var patternType = GetPatternTypes(subPattern.Pattern).FirstOrDefault(); 1840var delegateType = argumentTypes.FirstOrDefault().InferredType.GetDelegateType(this.Compilation); 2396elementTypesBuilder.Add(GetTypes(expr).FirstOrDefault().InferredType ?? this.Compilation.ObjectType); 2419elementTypesBuilder.Add(GetTypes(declaration.Type).FirstOrDefault().InferredType);

AddImport\CSharpAddImportFeatureService.cs (1)

515.FirstOrDefault();

ChangeSignature\CSharpChangeSignatureService.cs (1)

835var identifier = nameAttribute.DescendantNodes(descendIntoTrivia: true).OfType<IdentifierNameSyntax>().FirstOrDefault();

CodeRefactorings\UseRecursivePatterns\UseRecursivePatternsCodeRefactoringProvider.cs (1)

315.FirstOrDefault();

Completion\CompletionProviders\DeclarationName\DeclarationNameRecommender.cs (2)

202var system = compilation.GlobalNamespace.GetMembers(nameof(System)).OfType<INamespaceSymbol>().FirstOrDefault(); 203var systemCollections = system?.GetMembers(nameof(System.Collections)).OfType<INamespaceSymbol>().FirstOrDefault();

Completion\CompletionProviders\EnumAndCompletionListTagCompletionProvider.cs (1)

330? DocumentationCommentId.GetSymbolsForDeclarationId(documentation.CompletionListCref, compilation).OfType<INamedTypeSymbol>().FirstOrDefault()

Completion\KeywordRecommenders\WhenKeywordRecommender.cs (1)

41var expressionOrPattern = switchLabel.ChildNodes().FirstOrDefault();

ConvertNamespace\ConvertNamespaceCodeRefactoringProvider.cs (1)

96var namespaceDecl = root.DescendantNodes().OfType<BaseNamespaceDeclarationSyntax>().FirstOrDefault();

ConvertPrimaryToRegularConstructor\ConvertPrimaryToRegularConstructorCodeRefactoringProvider.cs (1)

379var xmlElement = identifierName.AncestorsAndSelf().OfType<XmlEmptyElementSyntax>().FirstOrDefault();

ConvertProgram\ConvertProgramTransform_TopLevelStatements.cs (1)

64return root.Members.OfType<FileScopedNamespaceDeclarationSyntax>().FirstOrDefault() is { } fileScopedNamespace

DocumentationComments\CSharpDocumentationCommentSnippetService.cs (1)

357var firstTextToken = textTokens.FirstOrDefault();

EditAndContinue\CSharpEditAndContinueAnalyzer.cs (2)

1615(editKind == EditKind.Delete ? globalStatements.LastOrDefault() : globalStatements.FirstOrDefault()) ?? 1616unit.ChildNodes().FirstOrDefault();

EditAndContinue\SyntaxUtilities.cs (1)

161var firstGetter = accessorList?.Accessors.Where(a => a.IsKind(SyntaxKind.GetAccessorDeclaration)).FirstOrDefault();

EncapsulateField\CSharpEncapsulateFieldService.cs (1)

40var declarator = root.GetAnnotatedNodes<VariableDeclaratorSyntax>(declarationAnnotation).FirstOrDefault();

ExtractMethod\CSharpMethodExtractor.CSharpCodeGenerator.cs (1)

1060var syntaxNode = originalDocument.Root.GetAnnotatedNodesAndTokens(MethodDefinitionAnnotation).FirstOrDefault().AsNode();

ExtractMethod\CSharpMethodExtractor.TriviaResult.cs (1)

52var token = node.GetAnnotatedNodesAndTokens(annotation).FirstOrDefault().AsToken();

GenerateType\CSharpGenerateTypeService.cs (1)

332outerMostMemberAccessExpression = outerMostMemberAccessExpression.GetAncestorsOrThis<ExpressionSyntax>().SkipWhile(n => n != null && n.IsKind(SyntaxKind.SimpleMemberAccessExpression)).FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\Analyzers\RemoveUnnecessarySuppressions\UnnecessaryNullableWarningSuppressionsUtilities.cs (1)

193var globalStatement = updatedNode.Ancestors().OfType<GlobalStatementSyntax>().FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\CSharpUseRangeOperatorDiagnosticAnalyzer.InfoCache.cs (1)

83.FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\Analyzers\UseIndexOrRangeOperator\Helpers.cs (3)

34.FirstOrDefault(); 136.FirstOrDefault(); 152.FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\ConvertToRecord\ConvertToRecordHelpers.cs (3)

701return operation.FirstOrDefault() is IReturnOperation 883=> statementsToCheck.FirstOrDefault() switch 1024if (TryGetAssignmentFromParameterWithExplicitCast(statementsToCheck.FirstOrDefault(), parameter, out otherC))

src\roslyn\src\Analyzers\CSharp\CodeFixes\DisambiguateSameVariable\CSharpDisambiguateSameVariableCodeFixProvider.cs (1)

118matchingMember = members.FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\MakeLocalFunctionStatic\PassInCapturedVariablesAsArgumentsCodeFixProvider.cs (1)

75.Select(d => root.FindNode(d.Location.SourceSpan).AncestorsAndSelf().OfType<LocalFunctionStatementSyntax>().FirstOrDefault())

src\roslyn\src\Analyzers\CSharp\CodeFixes\Nullable\CSharpDeclareAsNullableCodeFixProvider.cs (1)

224var parameter = method.Parameters.Where(p => p.Name == identifier.Text).FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\RemoveUnnecessaryLambdaExpression\CSharpRemoveUnnecessaryLambdaExpressionCodeFixProvider.cs (1)

64var containingStatement = anonymousFunction.AncestorsAndSelf().OfType<StatementSyntax>().FirstOrDefault();

src\roslyn\src\Analyzers\CSharp\CodeFixes\UsePrimaryConstructor\CSharpUsePrimaryConstructorCodeFixProvider.cs (1)

586var xmlElement = identifier.AncestorsAndSelf().OfType<XmlEmptyElementSyntax>().FirstOrDefault();

Microsoft.NetCore.Analyzers\Usage\CSharpPreferQuotedFileBasedProgramDirective.Fixer.cs (1)

44SyntaxFactory.ParseLeadingTrivia("#:" + kind + valueLeadingWhitespace + newValue + "\n").FirstOrDefault().GetStructure() is not { } newStructure)

src\sdk\src\Microsoft.CodeAnalysis.NetAnalyzers\src\Utilities\Compiler.CSharp\Extensions\SyntaxNodeExtensions.cs (1)

19while (current.IsKind(SyntaxKind.ParenthesizedExpression) && current.ChildNodes().FirstOrDefault() is SyntaxNode expression)

Recommendations\CSharpRecommendationServiceRunner.cs (1)

273.FirstOrDefault();

Rename\CSharpRenameRewriterLanguageService.cs (3)

331var annotation = _renameAnnotations.GetAnnotations(token).OfType<RenameActionAnnotation>().FirstOrDefault(); 869var namespaceDecl = token.Parent.Ancestors().OfType<BaseNamespaceDeclarationSyntax>().FirstOrDefault(); 1005var baseType = renamedSymbol.ContainingType?.GetBaseTypes().FirstOrDefault();

Simplification\CSharpSimplificationService.Expander.cs (1)

781var invocationExpression = originalSimpleName.Ancestors().OfType<InvocationExpressionSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ExpressionSyntaxExtensions.cs (1)

604var parentNonExpression = expression.GetAncestors().SkipWhile(n => n is ExpressionSyntax).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ParenthesizedExpressionSyntaxExtensions.cs (2)

47var nextChar = tokenAfterParen.Text.FirstOrDefault(); 355: current.ChildNodes().FirstOrDefault() as ExpressionSyntax;

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\SyntaxTreeExtensions.cs (2)

44return syntaxTree.GetContainingTypeDeclarations(position, cancellationToken).FirstOrDefault(); 50return syntaxTree.GetContainingTypeOrEnumDeclarations(position, cancellationToken).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Services\SemanticFacts\CSharpSemanticFacts.cs (1)

104var enumDecl = namedTypeSymbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).OfType<EnumDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Utilities\UsingsAndExternAliasesOrganizer.cs (1)

31.FirstOrDefault() ?? fallbackTrivia;

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\CodeGeneration\CSharpCodeGenerationHelpers.cs (1)

213var implementation = implementations.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (4)

1652var patternType = GetPatternTypes(subPattern.Pattern).FirstOrDefault(); 1840var delegateType = argumentTypes.FirstOrDefault().InferredType.GetDelegateType(this.Compilation); 2396elementTypesBuilder.Add(GetTypes(expr).FirstOrDefault().InferredType ?? this.Compilation.ObjectType); 2419elementTypesBuilder.Add(GetTypes(declaration.Type).FirstOrDefault().InferredType);

SyncedSource\FileBasedPrograms\VirtualProjectBuilder.cs (1)

632if (sdkDirectives.FirstOrDefault() is { } firstSdk)

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

CodeFixes\Service\CodeFixService.cs (1)

827var fixer = lazyConfigurationProviders.Value.OfType<AbstractSuppressionCodeFixProvider>().FirstOrDefault();

CodeFixes\Suppression\AbstractSuppressionCodeFixProvider.PragmaHelpers.cs (1)

139(trivia.HasStructure && fixer.IsEndOfLine(trivia.GetStructure().DescendantTrivia().FirstOrDefault()));

CodeFixes\Suppression\AbstractSuppressionCodeFixProvider.RemoveSuppressionCodeAction_Pragma.cs (1)

213var effectiveDiagnostic = CompilationWithAnalyzers.GetEffectiveDiagnostics([dummyDiagnosticWithLocationToCheck], model.Compilation).FirstOrDefault();

CodeFixesAndRefactorings\AbstractFixAllCodeAction.cs (2)

102if (exportAttributes?.FirstOrDefault() is ExportCodeFixProviderAttribute codeFixAttribute) 109if (exportAttributes?.FirstOrDefault() is ExportCodeRefactoringProviderAttribute codeRefactoringAttribute)

CodeRefactorings\AddAwait\AbstractAddAwaitCodeRefactoringProvider.cs (1)

95current = current.ChildNodesAndTokens().FirstOrDefault().AsNode() as TExpressionSyntax;

Completion\Providers\AbstractMemberInsertingCompletionProvider.cs (1)

233var caretTarget = root.GetAnnotatedNodes(_annotation).FirstOrDefault();

Completion\Providers\ImportCompletionProvider\ExtensionMemberImportCompletionHelper.SymbolComputer.cs (2)

268var declaredReceiverTypeInOriginatingCompilation = SymbolFinder.FindSimilarSymbols(declaredReceiverType, _originatingSemanticModel.Compilation, cancellationToken).FirstOrDefault(); 292foreach (var memberInOriginatingCompilation in memberSymbols.Select(s => SymbolFinder.FindSimilarSymbols(s, _originatingSemanticModel.Compilation).FirstOrDefault()).WhereNotNull())

ConvertForToForEach\AbstractConvertForToForEachCodeRefactoringProvider.cs (3)

243return TryFindMembersInThisOrBaseTypes<TSymbol>(containingType, type, memberName).FirstOrDefault(); 512.FirstOrDefault(); 520indexer = interfaces.SelectMany(i => i.GetMembers().OfType<IPropertySymbol>().Where(IsViableIndexer)).FirstOrDefault();

Diagnostics\Service\DiagnosticAnalyzerService_CoreAnalyze.cs (1)

143var suppressionAnalyzer = hostAnalyzers.OfType<IPragmaSuppressionsAnalyzer>().FirstOrDefault();

EditAndContinue\EmitSolutionUpdateResults.cs (1)

86var firstProject = solution.GetProject(runningProjects.FirstOrDefault().Key) ?? solution.Projects.First();

ExternalAccess\UnitTesting\SolutionCrawler\UnitTestingWorkCoordinator.UnitTestingIncrementalAnalyzerProcessor.cs (1)

60var globalNotificationService = _registration.Services.ExportProvider.GetExports<IGlobalOperationNotificationService>().FirstOrDefault()?.Value;

ExtractMethod\AbstractSyntaxTriviaService.Result.cs (1)

264return root.GetAnnotatedNodesAndTokens(annotation).FirstOrDefault().AsToken();

ExtractMethod\MethodExtractor.cs (1)

97var methodDefinition = newRoot.GetAnnotatedNodesAndTokens(MethodDefinitionAnnotation).FirstOrDefault().AsNode();

ExtractMethod\MethodExtractor.TriviaResult.cs (2)

115var trivia = list.FirstOrDefault(); 122trivia = listWithoutHead.FirstOrDefault();

GenerateConstructors\AbstractGenerateConstructorsCodeRefactoringProvider.State.cs (1)

110return q.FirstOrDefault();

InitializeParameter\AbstractInitializeMemberFromParameterCodeRefactoringProviderMemberCreation.cs (3)

449var finalFieldOrProperty = SymbolFinder.FindSimilarSymbols(currentFieldOrProperty, compilation, cancellationToken).FirstOrDefault(); 528var currentParameter = SymbolFinder.FindSimilarSymbols(parameter, compilation, cancellationToken).FirstOrDefault(); 533.FirstOrDefault();

IntroduceVariable\AbstractIntroduceVariableService.cs (1)

149var block = blocks.FirstOrDefault();

IntroduceVariable\AbstractIntroduceVariableService.State.cs (1)

94.FirstOrDefault();

PullMemberUp\MembersPuller.cs (1)

374node.GetAnnotatedNodes(s_destinationNodeAnnotation).FirstOrDefault(),

ReplaceMethodWithProperty\ReplaceMethodWithPropertyCodeRefactoringProvider.cs (1)

104.FirstOrDefault();

SignatureHelp\CommonSignatureHelpUtilities.cs (2)

142expression = token.Parent?.GetAncestorsOrThis<TSyntax>().SkipWhile(syntax => !isArgumentListToken(syntax, token)).FirstOrDefault(); 154.FirstOrDefault();

Snippets\SnippetProviders\AbstractSnippetProvider.cs (1)

239var snippetNode = root.GetAnnotatedNodes(FindSnippetAnnotation).FirstOrDefault();

src\roslyn\src\Analyzers\Core\Analyzers\RemoveUnnecessarySuppressions\AbstractRemoveUnnecessaryPragmaSuppressionsDiagnosticAnalyzer.cs (1)

767.FirstOrDefault();

src\roslyn\src\Analyzers\Core\Analyzers\SimplifyInterpolation\AbstractSimplifyInterpolationHelpers.cs (1)

233var interpolatedStringOperation = AncestorsAndSelf(operation).OfType<IInterpolatedStringOperation>().FirstOrDefault();

src\roslyn\src\Analyzers\Core\Analyzers\UseExplicitTupleName\UseExplicitTupleNameDiagnosticAnalyzer.cs (1)

58var nameNode = memberAccessSyntax.ChildNodesAndTokens().Reverse().FirstOrDefault().AsNode();

src\roslyn\src\Analyzers\Core\CodeFixes\AddParameter\AddParameterService.cs (1)

204var memberToAssignTo = parameterToExistingMember.FirstOrDefault().Value;

src\roslyn\src\Analyzers\Core\CodeFixes\DocumentationComments\AbstractAddDocCommentNodesCodeFixProvider.cs (2)

82var summaryNode = GetElementNodes(newDocComment, "summary").FirstOrDefault(); 102var nodeAfterNewParamNode = paramNodes.FirstOrDefault() ?? newDocComment.ChildNodes().First();

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateParameterizedMember\TypeParameterSubstitution.cs (1)

src\roslyn\src\Analyzers\Core\CodeFixes\GenerateVariable\AbstractGenerateVariableService.cs (1)

56if (char.IsUpper(name.ToCharArray().FirstOrDefault()))

src\roslyn\src\Analyzers\Core\CodeFixes\ImplementAbstractClass\ImplementAbstractClassData.cs (1)

317constraints.OfType<INamedTypeSymbol>().FirstOrDefault() ??

src\roslyn\src\Analyzers\Core\CodeFixes\MakeMethodSynchronous\AbstractMakeMethodSynchronousCodeFixProvider.cs (1)

121var methodDeclaration = syntaxRoot.GetAnnotatedNodes(annotation).FirstOrDefault();

SyncNamespaces\AbstractSyncNamespacesService.cs (1)

106.FirstOrDefault();

Microsoft.CodeQuality.Analyzers\ApiDesignGuidelines\DoNotDirectlyAwaitATask.cs (1)

42if (context.Compilation.SyntaxTrees.FirstOrDefault() is not SyntaxTree tree ||

Microsoft.CodeQuality.Analyzers\ApiDesignGuidelines\EquatableAnalyzer.Fixer.cs (1)

201IMethodSymbol constructedEqualsMethod = constructedType.GetMembers().OfType<IMethodSymbol>().FirstOrDefault();

Microsoft.CodeQuality.Analyzers\ApiDesignGuidelines\OperatorOverloadsHaveNamedAlternates.cs (1)

114IPropertySymbol property = typeSymbol.GetMembers(IsTrueText).OfType<IPropertySymbol>().FirstOrDefault();

Microsoft.CodeQuality.Analyzers\ApiDesignGuidelines\TypesThatOwnDisposableFieldsShouldBeDisposable.Fixer.cs (1)

61IMethodSymbol? disposeMethod = typeSymbol.GetMembers("Dispose").OfType<IMethodSymbol>().Where(m => m.Parameters.IsEmpty).FirstOrDefault();

Microsoft.CodeQuality.Analyzers\Maintainability\AvoidLengthCalculationWhenSlicingToEnd.cs (5)

206var stringLength = stringType?.GetMembers(WellKnownMemberNames.LengthPropertyName).OfType<IPropertySymbol>().FirstOrDefault(); 210var spanLength = spanType?.GetMembers(WellKnownMemberNames.LengthPropertyName).OfType<IPropertySymbol>().FirstOrDefault(); 214var readOnlySpanLength = readOnlySpanType?.GetMembers(WellKnownMemberNames.LengthPropertyName).OfType<IPropertySymbol>().FirstOrDefault(); 218var memoryLength = memoryType?.GetMembers(WellKnownMemberNames.LengthPropertyName).OfType<IPropertySymbol>().FirstOrDefault(); 267.FirstOrDefault();

Microsoft.CodeQuality.Analyzers\Maintainability\CodeMetricsAnalyzer.cs (1)

121if (compilationContext.Compilation.SyntaxTrees.FirstOrDefault() is not SyntaxTree tree)

Microsoft.CodeQuality.Analyzers\Maintainability\MakeTypesInternal.cs (1)

39if (context.Compilation.SyntaxTrees.FirstOrDefault() is not { } firstSyntaxTree

Microsoft.NetCore.Analyzers\Data\ReviewSqlQueriesForSecurityVulnerabilities.cs (1)

47IPropertySymbol? commandTextProperty = iDbCommandType?.GetMembers("CommandText").OfType<IPropertySymbol>().FirstOrDefault();

Microsoft.NetCore.Analyzers\InteropServices\PlatformCompatibilityAnalyzer.cs (1)

303compilation.SyntaxTrees.FirstOrDefault() is { } tree &&

Microsoft.NetCore.Analyzers\Performance\AvoidPotentiallyExpensiveCallWhenLogging.cs (2)

273iLoggerType.GetMembers("Log").OfType<IMethodSymbol>().FirstOrDefault() is not { } logMethod || 274iLoggerType.GetMembers("IsEnabled").OfType<IMethodSymbol>().FirstOrDefault() is not { } isEnabledMethod)

Microsoft.NetCore.Analyzers\Performance\DoNotGuardCall.cs (3)

242.FirstOrDefault(); 258.FirstOrDefault(); 334var firstChildOperation = operation?.ChildOperations.FirstOrDefault();

Microsoft.NetCore.Analyzers\Performance\PreferConvertToHexStringOverBitConverter.cs (1)

141.FirstOrDefault();

Microsoft.NetCore.Analyzers\Performance\PreferDictionaryTryMethodsOverContainsKeyGuardAnalyzer.cs (2)

242containsKeySymbol = iDictionaryType.GetMembers(ContainsKey).OfType<IMethodSymbol>().FirstOrDefault(); 243addSymbol = iDictionaryType.GetMembers(Add).OfType<IMethodSymbol>().FirstOrDefault();

Microsoft.NetCore.Analyzers\Performance\UseSpanClearInsteadOfFill.cs (1)

56.FirstOrDefault();

Microsoft.NetCore.Analyzers\Resources\MarkAssembliesWithNeutralResourcesLanguage.cs (1)

167attributeData = attributes.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\CallGCSuppressFinalizeCorrectly.cs (1)

81.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\DetectPreviewFeatureAnalyzer.cs (1)

252.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\DoNotUseEndOfStreamInAsyncMethods.cs (1)

55.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\MarkAllNonSerializableFields.Fixer.cs (1)

82return editor.GetChangedDocuments().FirstOrDefault() ?? document;

Microsoft.NetCore.Analyzers\Runtime\NormalizeStringsToUppercase.cs (3)

47var invariantCulture = cultureInfo?.GetMembers("InvariantCulture").OfType<IPropertySymbol>().FirstOrDefault(); 50var toLowerInvariant = stringType.GetMembers("ToLowerInvariant").OfType<IMethodSymbol>().FirstOrDefault(); 61var toUpperInvariant = stringType.GetMembers("ToUpperInvariant").OfType<IMethodSymbol>().FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\PreferJsonElementParse.cs (1)

68.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\PreferReadOnlySpanPropertiesOverReadOnlyArrayFieldsAnalyzer.cs (1)

446var arrayLengthProperty = compilation.GetSpecialType(SpecialType.System_Array).GetMembers(nameof(Array.Length)).OfType<IPropertySymbol>().FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\PreferStreamAsyncMemoryOverloads.cs (2)

190IMethodSymbol? configureAwaitMethod = taskType.GetMembers("ConfigureAwait").OfType<IMethodSymbol>().FirstOrDefault(); 196IMethodSymbol? genericConfigureAwaitMethod = genericTaskType.GetMembers("ConfigureAwait").OfType<IMethodSymbol>().FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\SpecifyCultureInfo.cs (1)

69var correctOverload = correctOverloads.FirstOrDefault(overload => overload.Parameters.Last().Type.Equals(cultureInfoType)) ?? correctOverloads.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\SpecifyIFormatProvider.cs (5)

140var currentUICultureProperty = cultureInfoType.GetMembers("CurrentUICulture").OfType<IPropertySymbol>().FirstOrDefault(); 141var installedUICultureProperty = cultureInfoType.GetMembers("InstalledUICulture").OfType<IPropertySymbol>().FirstOrDefault(); 144var currentThreadCurrentUICultureProperty = threadType?.GetMembers("CurrentUICulture").OfType<IPropertySymbol>().FirstOrDefault(); 150var installedUICulturePropertyOfComputerInfoType = computerInfoType?.GetMembers("InstalledUICulture").OfType<IPropertySymbol>().FirstOrDefault(); 231var correctOverload = correctOverloads.FirstOrDefault(overload => overload.Parameters.Last().Type.Equals(iformatProviderType)) ?? correctOverloads.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\SpecifyStringComparison.cs (2)

113.FirstOrDefault(); 182.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\UseAsyncMethodInAsyncContext.cs (1)

94.FirstOrDefault();

Microsoft.NetCore.Analyzers\Runtime\UseCancellationTokenThrowIfCancellationRequested.cs (1)

99.FirstOrDefault();

Microsoft.NetCore.Analyzers\Security\DoNotUseWeakKDFInsufficientIterationCount.cs (1)

86compilationStartAnalysisContext.Compilation.SyntaxTrees.FirstOrDefault() is not SyntaxTree tree)

Microsoft.NetCore.Analyzers\Security\UseAutoValidateAntiforgeryToken.cs (1)

307var httpVerbAttributeTypeSymbolAbleToModify = actionMethodSymbol.GetAttributes(httpVerbAttributeTypeSymbolsAbleToModify).FirstOrDefault();

Microsoft.NetCore.Analyzers\Security\UseContainerLevelAccessPolicy.cs (4)

59.FirstOrDefault() 62.FirstOrDefault() 65.FirstOrDefault(); 79.FirstOrDefault();

Microsoft.NetCore.Analyzers\Security\UseDefaultDllImportSearchPathsAttribute.cs (1)

80|| compilationStartAnalysisContext.Compilation.SyntaxTrees.FirstOrDefault() is not SyntaxTree tree)

Microsoft.NetCore.Analyzers\Security\UseSharedAccessProtocolHttpsOnly.cs (3)

57.FirstOrDefault() 60.FirstOrDefault() 63.FirstOrDefault();

Microsoft.NetCore.Analyzers\Tasks\DoNotConfigureAwaitWithSuppressThrowing.cs (1)

49.FirstOrDefault() is not IMethodSymbol configureAwait ||

Microsoft.NetCore.Analyzers\Usage\PreferGenericOverloads.cs (1)

65.FirstOrDefault();

Microsoft.NetCore.Analyzers\Usage\UseVolatileReadWrite.Fixer.cs (2)

118|| volatileType.GetMembers(VolatileReadMethodName).OfType<IMethodSymbol>().FirstOrDefault() is null 119|| volatileType.GetMembers(VolatileWriteMethodName).OfType<IMethodSymbol>().FirstOrDefault() is null)

src\sdk\src\Microsoft.CodeAnalysis.NetAnalyzers\src\Utilities\Compiler\Extensions\ISymbolExtensions.cs (1)

632return symbol.GetAttributes(attributeType).FirstOrDefault();

src\sdk\src\Microsoft.CodeAnalysis.NetAnalyzers\src\Utilities\Compiler\Options\AnalyzerOptionsExtensions.cs (2)

524if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree) 548if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree)

src\sdk\src\Microsoft.CodeAnalysis.NetAnalyzers\src\Utilities\FlowAnalysis\FlowAnalysis\Framework\DataFlow\AnalysisEntityFactory.cs (2)

280symbol = fieldReference.Field.ContainingType.GetUnderlyingValueTupleTypeOrThis()?.GetMembers(name).OfType<IFieldSymbol>().FirstOrDefault() 376var mappedValueTupleField = underlyingValueTupleType.GetMembers(tupleFieldName).OfType<IFieldSymbol>().FirstOrDefault();

src\sdk\src\Microsoft.CodeAnalysis.NetAnalyzers\src\Utilities\FlowAnalysis\FlowAnalysis\Framework\DataFlow\DataFlowOperationVisitor.cs (1)

1774var equalsMember = interfaceType.GetMembers("Equals").OfType<IMethodSymbol>().FirstOrDefault();

CSharp\Utf8SupportMap.cs (1)

167var classDecl = namespaceDecl.ChildNodes().OfType<ClassDeclarationSyntax>().FirstOrDefault();

Language\CodeGeneration\IntermediateNodeWriter.cs (1)

93var firstCSharpChild = node.Children.OfType<CSharpIntermediateToken>().FirstOrDefault();

Language\Components\ComponentDocumentClassifierPass.cs (1)

120var constraints = typeParamNode.Tokens.Skip(1).FirstOrDefault();

Language\Components\ComponentLayoutDirectivePass.cs (1)

30var token = directives[0].Node.Tokens.FirstOrDefault();

Language\Components\ComponentLoweringPass.cs (2)

518.FirstOrDefault(); 541.FirstOrDefault();

Language\Components\ComponentNodeWriter.cs (1)

718var firstCSharpChild = node.Children.OfType<CSharpIntermediateToken>().FirstOrDefault();

Language\Components\ComponentRenderModeDirectivePass.cs (1)

36var child = directives[0].Node.Children.FirstOrDefault();

Language\Components\ComponentWhitespacePass.cs (1)

77var token = preserveWhitespaceDirective.Node.Tokens.FirstOrDefault();

Language\Extensions\AttributeDirectivePass.cs (1)

27var token = attribute.Node.Tokens.FirstOrDefault();

Language\Extensions\ImplementsDirectivePass.cs (1)

30var token = implements.Node.Tokens.FirstOrDefault();

Language\Extensions\InheritsDirectivePass.cs (1)

25var token = inherits.Node.Tokens.FirstOrDefault();

Language\Extensions\SectionDirectivePass.cs (1)

25var sectionName = directive.Node.Tokens.FirstOrDefault()?.Content;

Language\MarkupSplitter.Classify.cs (1)

54var markerClass = root.Members.OfType<ClassDeclarationSyntax>().FirstOrDefault();

Language\RazorProjectEngineBuilderExtensions.cs (2)

165var existingFeature = builder.Features.OfType<ConfigureParserForCSharpVersionFeature>().FirstOrDefault(); 186if (builder.Features.OfType<TInterface>().FirstOrDefault() is not { } feature)

Mvc.Version1_X\ViewComponentTagHelperDescriptorFactory.cs (2)

241var viewComponentAttribute = componentType.GetAttributes().Where(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, _viewComponentAttributeSymbol)).FirstOrDefault(); 245.FirstOrDefault()

Mvc.Version2_X\NamespaceDirective.cs (1)

87var baseNamespace = directive.Tokens.FirstOrDefault()?.Content;

Mvc.Version2_X\ViewComponentTagHelperDescriptorFactory.cs (2)

256var viewComponentAttribute = componentType.GetAttributes().Where(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, _viewComponentAttributeSymbol)).FirstOrDefault(); 260.FirstOrDefault()

Mvc\ViewComponentTagHelperDescriptorFactory.cs (2)

259var viewComponentAttribute = componentType.GetAttributes().Where(a => SymbolEqualityComparer.Default.Equals(a.AttributeClass, _viewComponentAttributeSymbol)).FirstOrDefault(); 263.FirstOrDefault()

CompilationFactory.cs (1)

185return methodSymbols.FirstOrDefault();

AbstractResxGenerator.cs (1)

453var value = node.Elements("value").FirstOrDefault()?.Value.Trim();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Extensions\ISymbolExtensions.cs (1)

242return symbol.GetAttributes(attributeType).FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Options\AnalyzerOptionsExtensions.cs (2)

527if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree) 551if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

Hosting\ObjectFormatter\CommonObjectFormatter.Visitor.cs (1)

361var browsable = (DebuggerBrowsableAttribute)member.GetCustomAttributes(typeof(DebuggerBrowsableAttribute), false).FirstOrDefault();

Hosting\ObjectFormatter\ObjectFormatterHelpers.cs (2)

49var result = member.GetCustomAttributes<DebuggerDisplayAttribute>().FirstOrDefault(); 73var result = type.GetCustomAttributes<DebuggerTypeProxyAttribute>().FirstOrDefault();

Compilation\VisualBasicCompilation.vb (1)

1490Return containingNs.GetMembers(namespaceSymbol.Name).OfType(Of NamespaceSymbol)().FirstOrDefault()

Highlighting\KeywordHighlighters\ForLoopBlockHighlighter.vb (1)

70Return GetForBlocksMatchingNextStatement(DirectCast(node, NextStatementSyntax)).FirstOrDefault()

Microsoft.NetCore.Analyzers\Performance\BasicPreferDictionaryTryMethodsOverContainsKeyGuardFixer.vb (1)

220Dim ifStatement = containsKeyInvocation.AncestorsAndSelf().OfType(Of MultiLineIfBlockSyntax).FirstOrDefault()

CodeCleanup\AbstractCodeCleanerService.cs (2)

157var previousToken = previousTokens.FirstOrDefault(); 158var nextToken = nextTokens.FirstOrDefault();

Editing\SymbolEditor.cs (1)

205declaration = GetDeclarations(symbol).FirstOrDefault();

FindSymbols\FindReferences\Finders\ParameterSymbolReferenceFinder.cs (2)

97var parameterNode = parameter.DeclaringSyntaxReferences.Select(r => r.GetSyntax(cancellationToken)).FirstOrDefault(); 218.FirstOrDefault();

FindSymbols\SymbolFinder_Callers.cs (1)

47r => SymbolEquivalenceComparer.Instance.Equals(symbol, r.Definition)).FirstOrDefault();

Log\RoslynEventSource.cs (1)

96command.Arguments.Keys.FirstOrDefault() == "SendFunctionDefinitions";

ReassignedVariable\AbstractReassignedVariableService.cs (1)

274.FirstOrDefault();

Recommendations\AbstractRecommendationServiceRunner.cs (1)

293.OfType<INamespaceSymbol>().FirstOrDefault();

Rename\ConflictEngine\ConflictResolver.cs (2)

95var renameSymbolDeclarationLocation = renameLocations.Symbol.Locations.Where(loc => loc.IsInSource).FirstOrDefault(); 415return orderedLocations.FirstOrDefault();

Rename\ConflictEngine\ConflictResolver.Session.cs (1)

487var annotation = _renameAnnotations.GetAnnotations<RenameActionAnnotation>(nodeOrToken).FirstOrDefault();

Shared\Extensions\ILanguageMetadataExtensions.cs (1)

20return services.Where(s => s.Metadata.Language == languageName).Select(s => s.Value).FirstOrDefault();

Shared\Extensions\ISymbolExtensions.cs (1)

478return baseType.Constructors.Where(c => IsSameSignature(methodSymbol, c)).FirstOrDefault();

Shared\Extensions\ITypeSymbolExtensions.cs (3)

161return explicitMatches.FirstOrDefault(); 172return explicitMatches.FirstOrDefault() ?? implicitMatches.FirstOrDefault();

Shared\Utilities\EditorBrowsableHelpers.cs (1)

54return candidateConstructors.FirstOrDefault();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\AbstractCodeGenerationService.cs (1)

375var field = members.OfType<IFieldSymbol>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationNamedTypeSymbol.cs (1)

96? this.GetMembers(WellKnownMemberNames.DelegateInvokeName).OfType<IMethodSymbol>().FirstOrDefault()

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

50return delegateTypes.WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateGetHashCodeMethod.cs (1)

214return existingMethods.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\AddImports\AbstractAddImportsService.cs (1)

175fallbackNode = contextSpine.OfType<TNamespaceDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Simplification\SimplificationHelpers.cs (2)

66var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 74var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

Workspace\ProjectSystem\ProjectSystemProject.BatchingDocumentCollection.cs (1)

260var entry = _documentPathsToDocumentIds.Where(kv => kv.Value == documentId).FirstOrDefault();

Workspace\Workspace_Editor.cs (1)

283return _bufferToAssociatedDocumentsMap.Where(kvp => kvp.Value.Contains(documentId)).Select(kvp => kvp.Key).FirstOrDefault();

MSBuild\ProjectFile\ProjectInstanceReader.cs (1)

69var intermediateOutputFilePath = _projectInstance.GetItems(ItemNames.IntermediateAssembly).FirstOrDefault()?.EvaluatedInclude;

NetCoreBuildHost.cs (1)

34instance = MSBuildLocator.QueryVisualStudioInstances(options).FirstOrDefault();

DataFrameGroupByTests.cs (2)

35var oddGroup = grouping.Where(gr => gr.Key == "odd").FirstOrDefault(); 39var evenGroup = grouping.Where(gr => gr.Key == "even").FirstOrDefault();

Contracts\Loader_1.cs (1)

615(TargetPointer rval, uint _) = IterateModuleLookupMap(table, rid, SearchLookupMap).FirstOrDefault();

SOSDacImpl.cs (1)

2982data->FirstField = rtsContract.GetFieldDescList(typeHandle).FirstOrDefault().ToClrDataAddress(_target);

DiagnosticsIpc\IpcTransport.cs (3)

318string dsrouterAddress = Directory.GetFiles(searchDirectory, string.Format(_dsrouterAddressFormatWindows, pid)).FirstOrDefault(); 332.FirstOrDefault(); 336.FirstOrDefault();

src\GenerateResxSource.cs (1)

119string value = node.Elements("value").FirstOrDefault()?.Value.Trim();

src\InstallDotNetCore.cs (1)

130ProjectProperty property = properties[propertyName].FirstOrDefault();

GetMinimumNETStandard.cs (1)

35.FirstOrDefault();

NuGetUtility.cs (1)

89.FirstOrDefault();

Msi\WixDocument.cs (2)

24public XElement Package => _doc.Root.Descendants(s_wixNamespace + "Package").FirstOrDefault(); 64return _doc.Root.Descendants((ns ?? s_wixNamespace) + elementName).FirstOrDefault();

Swix\SwixComponent.cs (1)

158ITaskItem? resourceItem = componentResources?.Where(r => string.Equals(r.ItemSpec, workload.Id)).FirstOrDefault();

ForwardedOptionExtensions.cs (1)

230.FirstOrDefault()?.ForwardingFunction;

Help\HelpBuilder.cs (2)

396RecurseWhileNotNull(command, c => c.Parents.OfType<Command>().FirstOrDefault()) 436RecurseWhileNotNull(command, c => c.Parents.OfType<Command>().FirstOrDefault())

Extensions\MSBuildProjectExtensions.cs (1)

43return root.ItemGroupsReversed.FirstOrDefault();

HotReload\ProjectUpdatesBuilder.cs (1)

234let runningProject = GetCorrespondingRunningProjects(project).FirstOrDefault()

HotReload\ProjectUpdatesBuilder.StaticWebAssets.cs (1)

30let runningProject = projectUpdatesBuilder.GetCorrespondingRunningProjects(node.ProjectInstance.GetId()).FirstOrDefault()

src\sdk\src\Dotnet.Watch\HotReloadClient\Web\BrowserRefreshServer.cs (1)

63(!Uri.TryCreate(context.Request.Headers.Origin.FirstOrDefault(), UriKind.Absolute, out var originUri) ||

src\sdk\src\Dotnet.Watch\HotReloadClient\WebSocketClientTransport.cs (1)

126if (!Uri.TryCreate(context.Request.Headers.Origin.FirstOrDefault(), UriKind.Absolute, out var originUri) ||

src\sdk\src\Dotnet.Watch\HotReloadAgent\HotReloadAgent.cs (1)

276return loadedAssembly.Modules.FirstOrDefault()?.ModuleVersionId;

Utilities.cs (1)

20return results.FirstOrDefault();

src\sdk\src\Common\HostFxrPathResolver.cs (1)

64.FirstOrDefault();

GetCompatiblePackageTargetFrameworks.cs (1)

40.FirstOrDefault()?

src\sdk\src\Cli\Microsoft.DotNet.FileBasedPrograms\VirtualProjectBuilder.cs (1)

600if (sdkDirectives.FirstOrDefault() is { } firstSdk)

src\UsageReport\Usage.cs (1)

63.FirstOrDefault()

src\UsageReport\WriteUsageReports.cs (1)

201.Elements().Skip(1).FirstOrDefault()

parent\Resolvers\Microsoft.NET.Sdk.WorkloadManifestReader\WorkloadResolver.cs (1)

215var unresolved = unresolvedRedirects.Select(ur => redirects[ur]).Where(ur => !redirects.ContainsKey(ur.redirect.ReplaceWith)).FirstOrDefault();

Model\XamlRuleDocument.cs (5)

30var descendentDisplayName = element.Elements(XName.Get($"{element.Name.LocalName}.DisplayName", element.Name.NamespaceName)).FirstOrDefault(); 31var descendentDescription = element.Elements(XName.Get($"{element.Name.LocalName}.Description", element.Name.NamespaceName)).FirstOrDefault(); 60if (element.Elements(XName.Get($"{element.Name.LocalName}.{localizableProperty}", element.Name.NamespaceName)).FirstOrDefault() is { } descendentValue) 82else if (AttributedName(element) == "SearchTerms" && (XmlName(attribute) == "Value" || element.Elements(XName.Get($"{element.Name.LocalName}.Value", element.Name.NamespaceName)).FirstOrDefault() is { })) 93else if (element.Elements(XName.Get($"{element.Name.LocalName}.Value", element.Name.NamespaceName)).FirstOrDefault() is { } descendentValue)

Embeddings\OpenTelemetryEmbeddingGenerator.cs (1)

194responseModelId = embeddings.FirstOrDefault()?.ModelId;

Utilities\AIJsonSchemaCreateContext.cs (1)

91(TAttribute?)provider?.GetCustomAttributes(typeof(TAttribute), inherit).FirstOrDefault();

BLEUEvaluator.cs (1)

62if (additionalContext?.OfType<BLEUEvaluatorContext>().FirstOrDefault()

F1Evaluator.cs (1)

62if (additionalContext?.OfType<F1EvaluatorContext>().FirstOrDefault()

GLEUEvaluator.cs (1)

62if (additionalContext?.OfType<GLEUEvaluatorContext>().FirstOrDefault()

CompletenessEvaluator.cs (1)

86if (additionalContext?.OfType<CompletenessEvaluatorContext>().FirstOrDefault()

EquivalenceEvaluator.cs (1)

87if (additionalContext?.OfType<EquivalenceEvaluatorContext>().FirstOrDefault()

GroundednessEvaluator.cs (1)

84if (additionalContext?.OfType<GroundednessEvaluatorContext>().FirstOrDefault()

IntentResolutionEvaluator.cs (1)

108additionalContext?.OfType<IntentResolutionEvaluatorContext>().FirstOrDefault();

RetrievalEvaluator.cs (1)

93if (additionalContext?.OfType<RetrievalEvaluatorContext>().FirstOrDefault()

TaskAdherenceEvaluator.cs (1)

107additionalContext?.OfType<TaskAdherenceEvaluatorContext>().FirstOrDefault();

ToolCallAccuracyEvaluator.cs (1)

110if (additionalContext?.OfType<ToolCallAccuracyEvaluatorContext>().FirstOrDefault()

GroundednessProEvaluator.cs (1)

83if (additionalContext?.OfType<GroundednessProEvaluatorContext>().FirstOrDefault()

UngroundedAttributesEvaluator.cs (1)

87if (additionalContext?.OfType<UngroundedAttributesEvaluatorContext>().FirstOrDefault()

MicrosoftExtensionsAIChatExtensions.cs (1)

86outputAudio: lastMessage?.Contents.OfType<DataContent>().Where(dc => dc.HasTopLevelMediaType("audio")).Select(a => OpenAIChatModelFactory.ChatOutputAudio(new(a.Data))).FirstOrDefault(),

OpenAIChatClient.cs (1)

561TextContent? annotationContent = returnMessage.Contents.OfType<TextContent>().FirstOrDefault();

OpenAIImageGenerator.cs (1)

57var originalImage = request.OriginalImages.FirstOrDefault();

OpenAIResponsesChatClient.cs (3)

1610if (mstrc.Outputs?.OfType<ErrorContent>().FirstOrDefault() is ErrorContent errorContent) 1970var imageGenTool = options?.Tools.OfType<ImageGenerationTool>().FirstOrDefault(); 1984var imageGenTool = options?.Tools.OfType<ImageGenerationTool>().FirstOrDefault();

OpenAIConversionTests.cs (19)

OpenAIResponseClientIntegrationTests.cs (9)

56var codeInput = toolCallContent.Inputs.OfType<DataContent>().FirstOrDefault(); 62var toolResultContent = response.Messages.SelectMany(m => m.Contents).OfType<CodeInterpreterToolResultContent>().FirstOrDefault(); 70if (toolResultContent.Outputs.OfType<TextContent>().FirstOrDefault() is { } resultOutput) 98var wsCall = m.Contents.OfType<WebSearchToolCallContent>().FirstOrDefault(); 104var wsResult = m.Contents.OfType<WebSearchToolResultContent>().FirstOrDefault(); 165var igCall = m.Contents.OfType<ImageGenerationToolCallContent>().FirstOrDefault(); 169var igResult = m.Contents.OfType<ImageGenerationToolResultContent>().FirstOrDefault(); 715.FirstOrDefault(); 797.FirstOrDefault();

OpenAIResponseClientTests.cs (5)

3823var dataContent = content.Inputs.OfType<DataContent>().FirstOrDefault(); 5580var errorContent = lastMessage.Contents.OfType<ErrorContent>().FirstOrDefault(); 6323var errorContent = response.Messages.Last().Contents.OfType<ErrorContent>().FirstOrDefault(); 6382var imageContent = userMessage.Contents.OfType<UriContent>().FirstOrDefault(); 6445var imageContent = userMessage.Contents.OfType<DataContent>().FirstOrDefault();

OpenAITextToSpeechClientIntegrationTests.cs (1)

48var usageContent = update.Contents.OfType<UsageContent>().FirstOrDefault();

Parser\ConfigurationBinder.cs (2)

172ITypeOfOperation? typeOfOperation = GetArgumentForParameterAtIndex(operation.Arguments, 1).ChildOperations.FirstOrDefault() as ITypeOfOperation; 227ITypeOfOperation? typeOfOperation = GetArgumentForParameterAtIndex(operation.Arguments, 1).ChildOperations.FirstOrDefault() as ITypeOfOperation;

MarkdownParser.cs (1)

105ParagraphBlock image when image.Inline!.Descendants<LinkInline>().FirstOrDefault() is LinkInline link && link.IsImage => MapImage(elementMarkdown, link),

src\Libraries\Microsoft.Extensions.DataIngestion.Markdig\MarkdownParser.cs (1)

105ParagraphBlock image when image.Inline!.Descendants<LinkInline>().FirstOrDefault() is LinkInline link && link.IsImage => MapImage(elementMarkdown, link),

Linux\Resources\FileNamesOnlyFileSystem.cs (1)

34.FirstOrDefault() ?? string.Empty;

src\sdk\src\Dotnet.Watch\HotReloadAgent.Host\StartupHook.cs (1)

37var processPath = Environment.GetCommandLineArgs().FirstOrDefault();

src\sdk\src\Dotnet.Watch\HotReloadAgent\HotReloadAgent.cs (1)

276return loadedAssembly.Modules.FirstOrDefault()?.ModuleVersionId;

Logging\HttpClientLoggerTest.cs (9)

UserManagerMetrics.cs (2)

222if (!result.Succeeded && result.Errors.FirstOrDefault()?.Code is { Length: > 0 } code) 230var value = exception?.GetType().FullName ?? result?.Errors.FirstOrDefault()?.Code;

Logger.cs (1)

213var scopeProvider = logger.ScopeLoggers?.FirstOrDefault().ExternalScopeProvider;

XunitLoggerFactoryExtensions.cs (1)

94messageBuilder.AppendLine(firstLinePrefix + lines.FirstOrDefault() ?? string.Empty);

Parsing\Parser.cs (1)

649: lm.GetTemplatesForParameter(paramName).FirstOrDefault() ?? paramName;

CompilationExtensions.cs (1)

28if (compilation.SyntaxTrees.FirstOrDefault()?.Options.Features.ContainsKey("updated-memory-safety-rules") == true)

BindablePropertyConverter.cs (1)

44 object parent = parentValuesProvider.ParentObjects.Skip(1).FirstOrDefault();

MultiPage.cs (3)

218 CurrentPage = Children.FirstOrDefault(); 353 SelectedItem = ItemsSource.Cast<object>().FirstOrDefault(); 372 CurrentPage = (T)InternalChildren.FirstOrDefault();

Registrar.cs (1)

244 var attribute = viewType.GetCustomAttributes<RenderWithAttribute>(false).FirstOrDefault();

Shell\ShellNavigationManager.cs (2)

296 if (element is IShellItemController shellitem && shellitem.GetItems().FirstOrDefault() is ShellSection section) 298 if (element is IShellSectionController shellsection && shellsection.GetItems().FirstOrDefault() is ShellContent content)

VisualStateManager.cs (3)

490 var firstExistCustomTrigger = existCustomTriggers.FirstOrDefault(); 497 var latestMinWindowWidthAdaptiveTrigger = minWindowWidthAdaptiveTriggers.FirstOrDefault(); 503 var latestMinWindowHeightAdaptiveTrigger = minWindowHeightAdaptiveTriggers.FirstOrDefault();

BindablePropertyReferenceExtensions.cs (2)

26 md.Parameters[0].ParameterType.InheritsFromOrImplements(cache, module.ImportReference(cache, ("Microsoft.Maui.Controls", "Microsoft.Maui.Controls", "BindableObject"))), module).FirstOrDefault()?.Item1; 43 md.Parameters[0].ParameterType.InheritsFromOrImplements(cache, module.ImportReference(cache, ("Microsoft.Maui.Controls", "Microsoft.Maui.Controls", "BindableObject"))), module).FirstOrDefault()?.Item1;

SetPropertiesVisitor.cs (4)

197 var adderTuple = propertyType.GetMethods(Context.Cache, md => md.Name == "Add" && md.Parameters.Count == 1, Module).FirstOrDefault() ?? 722 var indexerName = defaultMemberAttribute?.ConstructorArguments?.FirstOrDefault().Value as string ?? "Item"; 1694 && md.Parameters.Count == 1, module).FirstOrDefault(); 1757 var adderTuple = propertyType.GetMethods(context.Cache, md => md.Name == "Add" && md.Parameters.Count == 1, module).FirstOrDefault();

XamlFilePathAttribute.cs (1)

15 internal static string GetFilePathForObject(object view) => (view?.GetType().GetCustomAttributes(typeof(XamlFilePathAttribute), false).FirstOrDefault() as XamlFilePathAttribute)?.FilePath;

FilePicker\FilePicker.shared.cs (1)

98 (await PlatformPickAsync(options))?.FirstOrDefault();

VersionTracking\VersionTracking.shared.cs (2)

293 public string? FirstInstalledVersion => versionTrail[versionsKey].FirstOrDefault(); 295 public string? FirstInstalledBuild => versionTrail[buildsKey].FirstOrDefault();

GenerateSplashAndroidResources.cs (1)

33 var splash = MauiSplashScreen?.FirstOrDefault();

GenerateSplashStoryboard.cs (1)

30 var splash = MauiSplashScreen?.FirstOrDefault();

GenerateTizenManifest.cs (1)

147 var defaultDpi = DpiPath.Tizen.AppIcon.Where(n => n.Path.EndsWith(IconDefaultDpiType)).FirstOrDefault();

PipelineSuggesters\PipelineSuggester.cs (1)

213var proposedParamSet = sweeper.ProposeSweeps(1, historyToUse.Select(h => h.ToRunResult(isMaximizingMetric))).FirstOrDefault();

CodeGenerator\CSharp\AzureCodeGenerator\AzureAttachConsoleAppCodeGenerator.cs (2)

51Separator = _columnInferenceResult.TextLoaderOptions.Separators.FirstOrDefault(), 95Separator = _columnInferenceResult.TextLoaderOptions.Separators.FirstOrDefault(),

CodeGenerator\CSharp\CodeGenerator.cs (2)

354Separator = _columnInferenceResult.TextLoaderOptions.Separators.FirstOrDefault(), 377Separator = _columnInferenceResult.TextLoaderOptions.Separators.FirstOrDefault(),

ComponentModel\ComponentCatalog.cs (6)

372var kindAttr = type.GetTypeInfo().GetCustomAttributes(typeof(TlcModule.EntryPointKindAttribute), false).FirstOrDefault() 569var attr = methodInfo.GetCustomAttributes(typeof(TlcModule.EntryPointAttribute), false).FirstOrDefault() as TlcModule.EntryPointAttribute; 574methodInfo.GetCustomAttributes(typeof(ObsoleteAttribute), false).FirstOrDefault() as ObsoleteAttribute); 596var attr = nestedType.GetTypeInfo().GetCustomAttributes(typeof(TlcModule.ComponentAttribute), true).FirstOrDefault() 604var faceAttr = faceType.GetTypeInfo().GetCustomAttributes(typeof(TlcModule.ComponentKindAttribute), false).FirstOrDefault() 939var faceAttr = signatureType.GetTypeInfo().GetCustomAttributes(typeof(TlcModule.ComponentKindAttribute), false).FirstOrDefault()

EntryPoints\EntryPointUtils.cs (2)

58var attr = fieldInfo.GetCustomAttributes(typeof(ArgumentAttribute), false).FirstOrDefault() 84var rangeAttr = fieldInfo.GetCustomAttributes(typeof(TlcModule.RangeAttribute), false).FirstOrDefault()

EntryPoints\InputBuilder.cs (4)

70var attr = (ArgumentAttribute)fieldInfo.GetCustomAttributes(typeof(ArgumentAttribute), false).FirstOrDefault(); 75var rangeAttr = fieldInfo.GetCustomAttributes(typeof(TlcModule.RangeAttribute), false).FirstOrDefault() 416value = value.Values().FirstOrDefault(); 678var attr = fieldInfo.GetCustomAttributes(typeof(TlcModule.OutputAttribute), false).FirstOrDefault()

JsonUtils\JsonManifestUtils.cs (8)

160var inputAttr = fieldInfo.GetCustomAttributes(typeof(ArgumentAttribute), false).FirstOrDefault() as ArgumentAttribute; 198var rangeAttr = fieldInfo.GetCustomAttributes(typeof(TlcModule.RangeAttribute), false).FirstOrDefault() as TlcModule.RangeAttribute; 220if (fieldInfo.GetCustomAttributes(typeof(ObsoleteAttribute), false).FirstOrDefault() is ObsoleteAttribute obsAttr) 229if (fieldInfo.GetCustomAttributes(typeof(TlcModule.SweepableLongParamAttribute), false).FirstOrDefault() is TlcModule.SweepableLongParamAttribute slpAttr) 246if (fieldInfo.GetCustomAttributes(typeof(TlcModule.SweepableFloatParamAttribute), false).FirstOrDefault() is TlcModule.SweepableFloatParamAttribute sfpAttr) 263if (fieldInfo.GetCustomAttributes(typeof(TlcModule.SweepableDiscreteParamAttribute), false).FirstOrDefault() is TlcModule.SweepableDiscreteParamAttribute sdpAttr) 293.FirstOrDefault() as TlcModule.OutputAttribute; 492var attr = fieldInfo.GetCustomAttributes(typeof(ArgumentAttribute), false).FirstOrDefault()

FastTree.cs (1)

3153double max = ordered.FirstOrDefault().Value;

TestCommandBase.cs (2)

250if (char.IsLetterOrDigit(suffix.FirstOrDefault())) 647if (char.IsLetterOrDigit(suffix.FirstOrDefault()))

OnnxSequenceTypeWithAttributesTest.cs (1)

64var onnxOut = output.Output.FirstOrDefault();

RootCauseAnalyzer.cs (1)

33return AnalyzeOneLayer(_src).FirstOrDefault();

Registry\Registry.cs (1)

230if (knownDigest?.FirstOrDefault() is string knownDigestValue)

FrameworkPackages\FrameworkPackages.cs (1)

140.FirstOrDefault();

NuGetPackageResolver.cs (1)

65string userPackageFolder = packageFolders.FirstOrDefault();

parent\parent\Resolvers\Microsoft.NET.Sdk.WorkloadManifestReader\WorkloadResolver.cs (1)

215var unresolved = unresolvedRedirects.Select(ur => redirects[ur]).Where(ur => !redirects.ContainsKey(ur.redirect.ReplaceWith)).FirstOrDefault();

ResolveReadyToRunCompilers.cs (1)

142ITaskItem crossgen2Pack = Crossgen2Packs?.FirstOrDefault();

ResolveTargetingPackAssets.cs (1)

459var firstFileElement = frameworkListDoc.Root.Elements("File").FirstOrDefault();

Tasks\OneDeploy\OneDeploy.cs (1)

134var deploymentUrl = response.GetHeader("Location").FirstOrDefault();

Tasks\ZipDeploy\ZipDeploy.cs (1)

111string? deploymentUrl = response.GetHeader("Location").FirstOrDefault();

WebConfigTransform.cs (2)

24var firstAspNetCoreElement = webConfig.Root?.Descendants(aspNetCoreElementName).FirstOrDefault(); 31rootElement = firstAspNetCoreElement.Ancestors("location").FirstOrDefault() == null ? webConfig.Root : webConfig.Root?.Element("location");

WorkloadResolver.cs (1)

215var unresolved = unresolvedRedirects.Select(ur => redirects[ur]).Where(ur => !redirects.ContainsKey(ur.redirect.ReplaceWith)).FirstOrDefault();

Commands\Example.cs (2)

41nextCommand = nextCommand.Parents.OfType<Command>().FirstOrDefault(); 55next = next?.Parents.OfType<Command>().FirstOrDefault();

NuGet\NugetApiManager.cs (1)

101.FirstOrDefault();

Installers\NuGet\NugetApiPackageManager.cs (1)

437cancellationToken).ConfigureAwait(false)).FirstOrDefault();

LocalizationModelDeserializer.cs (12)

Glob.cs (1)

21_isNameOnlyMatch = canBeNameOnlyMatch && !_matchers.Any(x => x is PathMatcher || x is ExactPathMatcher || (x as LiteralMatcher)?.Char?.FirstOrDefault() == '/');

IScanTemplateInfoExtensions.cs (1)

51public string ShortName => _templateInfo.ShortNameList.FirstOrDefault() ?? string.Empty;

Client\DiscoveryCriteriaExtensions.cs (1)

22discoveryCriteria.Package = discoveryCriteria.Sources.FirstOrDefault();

Client\ProxyOperationManager.cs (1)

432.FirstOrDefault();

Client\TestRunCriteriaExtensions.cs (3)

29return new TestRunCriteriaWithSources(testRunCriteria.AdapterSourceMap, inputPackages?.FirstOrDefault(), runSettings, executionContext); 43tc.Source = actualTestSources.FirstOrDefault()!; 51return new TestRunCriteriaWithTests(testRunCriteria.Tests, inputPackages?.FirstOrDefault(), runSettings, executionContext);

PostProcessing\ArtifactProcessingManager.cs (1)

182.FirstOrDefault()?.FileName;

Utilities\TestSourcesUtility.cs (2)

47var source = GetSources(adapterSourceMap)?.FirstOrDefault(); 58var source = GetSources(tests)?.FirstOrDefault();

Hosting\DefaultTestHostManager.cs (1)

203argumentsString += " --testsourcepath " + sources.FirstOrDefault()?.AddDoubleQuote();

Nuget.Frameworks\FrameworkReducer.cs (1)

80nearest = possibleFrameworks.Where(f => NuGetFrameworkFullComparer.Instance.Equals(framework, f)).FirstOrDefault();

parent\Shared\TypeLoader.cs (1)

689Module module = assembly?.Modules?.FirstOrDefault();

XMake.cs (1)

2644getResultOutputFile = commandLineSwitches[CommandLineSwitches.ParameterizedSwitch.GetResultOutputFile].FirstOrDefault() ?? string.Empty;

PackTaskLogic.cs (1)

956.Select(identity => libraryIdentityToTargetLibrary[identity].FirstOrDefault())

Commands\PackageReferenceCommands\AddPackageReferenceCommandRunner.cs (2)

110var originalPackageSpec = matchingPackageSpecs.FirstOrDefault(); 148.FirstOrDefault();

Utility\MSBuildAPIUtility.cs (2)

533.FirstOrDefault(); 1058.FirstOrDefault();

ListCommand\ListCommandRunner.cs (1)

61await feed.ListAsync(listArgs.Arguments.FirstOrDefault(), listArgs.Prerelease, listArgs.AllVersions,

RestoreCommand\Utility\AuditUtility.cs (1)

380GraphItem<RemoteResolveResult>? currentProject = graph.Graphs.FirstOrDefault()?.Item;

RestoreCommand\Utility\BuildAssetsUtils.cs (1)

173.FirstOrDefault();

RestoreCommand\Utility\MSBuildRestoreUtility.cs (2)

203var specItem = GetItemByType(items, "projectSpec").FirstOrDefault(); 344var specItem = GetItemByType(items, "projectSpec").FirstOrDefault();

Utility\MSBuildProjectFrameworkUtility.cs (1)

206var platformMonikerIdentifier = GetParts(platformMoniker).FirstOrDefault();

PackageSource\PackageSourceProvider.cs (1)

1046return activeSourceSection?.Items.OfType<AddItem>().FirstOrDefault()?.Key;

Settings\Items\RepositoryItem.cs (1)

79_owners = parsedOwners.FirstOrDefault();

NuGetPackageManager.cs (3)

868primarySources.FirstOrDefault(), 953primarySources.FirstOrDefault(), nuGetProject)); 3907.FirstOrDefault();

Resolution\ResolverGather.cs (1)

447packages.FirstOrDefault());

Utility\UriHelper.cs (3)

77var activeSource = packageSources.FirstOrDefault(); 170var activeSource = packageSources.FirstOrDefault(); 222var activeSource = packageSources.FirstOrDefault();

Utility\XElementExtensions.cs (2)

37child = element.ElementsNoNamespace(localName).FirstOrDefault(); 195return sourceElements.FirstOrDefault();

Core\NuspecCoreReaderBase.cs (3)

84var node = MetadataNode.Elements(XName.Get(Id, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 95var node = MetadataNode.Elements(XName.Get(Version, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 129var node = MetadataNode.Elements(XName.Get(DevelopmentDependency, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault();

Core\NuspecUtility.cs (1)

117var element = metadataNode.Elements(XName.Get(Serviceable, metadataNamespace)).FirstOrDefault();

NuspecReader.cs (6)

273var node = MetadataNode.Elements(XName.Get(Language, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 282var node = MetadataNode.Elements(XName.Get(LicenseUrl, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 414var node = MetadataNode.Elements(XName.Get(Repository, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 436var licenseNode = MetadataNode.Elements(XName.Get(NuspecUtility.License, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 582var node = MetadataNode.Elements(XName.Get(Icon, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault(); 592var node = MetadataNode.Elements(XName.Get(Readme, MetadataNode.GetDefaultNamespace().NamespaceName)).FirstOrDefault();

PackageCreation\Authoring\ManifestReader.cs (2)

26var metadataElement = document.Root!.ElementsNoNamespace("metadata").FirstOrDefault(); 35ReadFilesList(document.Root!.ElementsNoNamespace("files").FirstOrDefault()));

PackageCreation\Authoring\PackageBuilder.cs (2)

395var attribute = assembly.GetCustomAttributes<System.Runtime.Versioning.TargetFrameworkAttribute>().FirstOrDefault(); 1081var topLevelDirectory = parts.FirstOrDefault();

PackageCreation\Extensions\XElementExtensions.cs (1)

91return sourceElements.FirstOrDefault();

PackagesConfig.cs (1)

27var attribute = node.Attributes(XName.Get(name)).FirstOrDefault();

PackagesConfigWriter.cs (1)

500orderby package.Attributes(XName.Get(PackagesConfig.IdAttributeName)).FirstOrDefault()!.Value

Rules\DefaultManifestValuesRule.cs (1)

71var dependency = nuspecReader.GetDependencyGroups().SelectMany(d => d.Packages).FirstOrDefault();

Rules\UnspecifiedDependencyVersionRule.cs (1)

30var dependency = nuspecReader.GetDependencyGroups().SelectMany(d => d.Packages).FirstOrDefault();

Signing\Signatures\Signature.cs (1)

108var timestamp = timestamps.FirstOrDefault();

Signing\Utility\SignatureUtility.cs (3)

170var timestamp = primarySignature.Timestamps.FirstOrDefault(); 216var timestamp = repositoryCountersignature.Timestamps.FirstOrDefault(); 623var generalName = issuerSerial.GeneralNames.FirstOrDefault();

LazyStringSplit.cs (1)

127/// <inheritdoc cref="Enumerable.FirstOrDefault{TSource}(IEnumerable{TSource})"/>

ProjectLockFile\PackagesLockFileUtilities.cs (1)

227p2pSpecTargetFrameworkInformation = p2pSpec.TargetFrameworks.FirstOrDefault();

LegacyFeed\LegacyFeedCapabilityResourceV2Feed.cs (2)

136select new { Container = e, EntitySet = entitySet }).FirstOrDefault(); 183select e).FirstOrDefault();

LegacyFeed\MetadataResourceV2Feed.cs (1)

59NuGetVersion? latestVersion = versions.OrderByDescending(p => p, VersionComparer.VersionRelease).FirstOrDefault();

LegacyFeed\V2FeedParser.cs (2)

141return packages.Items.FirstOrDefault(); 635select nextLink.Value).FirstOrDefault();

LocalRepositories\LocalMetadataResource.cs (1)

64var latestVersion = versions.OrderByDescending(p => p, VersionComparer.VersionRelease).FirstOrDefault();

Providers\RepositorySignatureResourceProvider.cs (1)

37var serviceEntry = serviceIndex.GetServiceEntries(ServiceTypes.RepositorySignatures).FirstOrDefault();

Resources\DependencyInfoResourceV3.cs (1)

86result = GetPackagesFromRegistration(regInfo, token).FirstOrDefault();

Resources\MetadataResourceV3.cs (1)

79var latest = allVersions.OrderByDescending(p => p, VersionComparer.VersionRelease).FirstOrDefault();

Resources\ServiceIndexResourceV3.cs (1)

144return GetServiceEntryUris(clientVersion, orderedTypes).FirstOrDefault();

ResolverComparer.cs (2)

180.ThenByDescending(p => p.Version.Patch).FirstOrDefault() == x ? -1 : 1; 192.ThenByDescending(p => p.Version.Patch).FirstOrDefault() == x ? -1 : 1;

ResolverUtility.cs (4)

54.FirstOrDefault(); 68.FirstOrDefault(); 83.FirstOrDefault(); 99.FirstOrDefault();

VersionExtensions.cs (1)

27return items.FirstOrDefault();

VersionRangeFactory.cs (1)

329result = new VersionRange(ordered.FirstOrDefault(), true, ordered.LastOrDefault(), true);

AbstractRunIterations`1.cs (1)

140&& newNode.ChildNodes().FirstOrDefault()?.RawKind == node.RawKind)

PartsExportedWithMEFv2MustBeMarkedAsShared.cs (1)

59var exportAttributeApplication = exportAttributes.FirstOrDefault();

src\roslyn\src\Dependencies\Collections\Extensions\IEnumerableExtensions.cs (1)

161return source.Cast<T?>().FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Extensions\ISymbolExtensions.cs (1)

242return symbol.GetAttributes(attributeType).FirstOrDefault();

src\roslyn\src\RoslynAnalyzers\Utilities\Compiler\Options\AnalyzerOptionsExtensions.cs (2)

527if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree) 551if (compilation.SyntaxTrees.FirstOrDefault() is not { } tree)

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Extensions\SyntaxNodeExtensions.cs (1)

79return node?.GetAncestorsOrThis<TNode>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Formatting\BottomUpBaseIndentationFinder.cs (1)

308return GetIndentBlockOperationsFromSmallestSpan(root, list, position).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\Services\SelectedMembers\AbstractSelectedMembers.cs (1)

69.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ISymbolExtensions.cs (1)

648var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Extensions\Symbols\ITypeParameterSymbolExtensions.cs (1)

15=> typeParameter.ConstraintTypes.Select(GetNamedTypeSymbol).WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\AbstractCodeGenerationService.cs (1)

375var field = members.OfType<IFieldSymbol>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\CodeGeneration\Symbols\CodeGenerationNamedTypeSymbol.cs (1)

96? this.GetMembers(WellKnownMemberNames.DelegateInvokeName).OfType<IMethodSymbol>().FirstOrDefault()

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\ITypeInferenceServiceExtensions.cs (1)

50return delegateTypes.WhereNotNull().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Extensions\SyntaxGeneratorExtensions_CreateGetHashCodeMethod.cs (1)

214return existingMethods.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\LanguageServices\AddImports\AbstractAddImportsService.cs (1)

175fallbackNode = contextSpine.OfType<TNamespaceDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\Core\Simplification\SimplificationHelpers.cs (2)

66var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 74var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ExpressionSyntaxExtensions.cs (1)

604var parentNonExpression = expression.GetAncestors().SkipWhile(n => n is ExpressionSyntax).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\ParenthesizedExpressionSyntaxExtensions.cs (2)

47var nextChar = tokenAfterParen.Text.FirstOrDefault(); 355: current.ChildNodes().FirstOrDefault() as ExpressionSyntax;

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Extensions\SyntaxTreeExtensions.cs (2)

44return syntaxTree.GetContainingTypeDeclarations(position, cancellationToken).FirstOrDefault(); 50return syntaxTree.GetContainingTypeOrEnumDeclarations(position, cancellationToken).FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Services\SemanticFacts\CSharpSemanticFacts.cs (1)

104var enumDecl = namedTypeSymbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).OfType<EnumDeclarationSyntax>().FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Compiler\CSharp\Utilities\UsingsAndExternAliasesOrganizer.cs (1)

31.FirstOrDefault() ?? fallbackTrivia;

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\CodeGeneration\CSharpCodeGenerationHelpers.cs (1)

213var implementation = implementations.FirstOrDefault();

src\roslyn\src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (4)

1652var patternType = GetPatternTypes(subPattern.Pattern).FirstOrDefault(); 1840var delegateType = argumentTypes.FirstOrDefault().InferredType.GetDelegateType(this.Compilation); 2396elementTypesBuilder.Add(GetTypes(expr).FirstOrDefault().InferredType ?? this.Compilation.ObjectType); 2419elementTypesBuilder.Add(GetTypes(declaration.Type).FirstOrDefault().InferredType);

CommandLine\CommandArgument.cs (1)

24return Values.FirstOrDefault();

OverrideAndCreateBundledNETCoreAppPackageVersion.cs (1)

48.FirstOrDefault();

PublishMutationUtilities.cs (1)

23var targetLibrary = targetObj.FirstOrDefault();

Program.cs (3)

52.FirstOrDefault(); 188var typeDecl = node.Ancestors().OfType<TypeDeclarationSyntax>().FirstOrDefault(); 237var namespaceDecl = typeDecl.Ancestors().OfType<NamespaceDeclarationSyntax>().FirstOrDefault();

Argument.cs (1)

145.FirstOrDefault();

Completions\CompletionContext.cs (1)

95textAfterCursor.Split(' ').FirstOrDefault();

Help\HelpBuilder.cs (2)

128.RecurseWhileNotNull(c => c.Parents.OfType<Command>().FirstOrDefault()) 169.RecurseWhileNotNull(c => c.Parents.OfType<Command>().FirstOrDefault())

Invocation\ParseErrorAction.cs (1)

71.Select(r => r.Command.Options.OfType<HelpOption>().FirstOrDefault());

System\ComponentModel\DataAnnotations\AssociatedMetadataTypeTypeDescriptor.cs (1)

184MemberInfo? matchingMember = type.GetMember(memberName, allowedMemberTypes, searchFlags).FirstOrDefault();

Microsoft\Internal\AttributeServices.cs (2)

23return GetAttributes<T>(attributeProvider).FirstOrDefault(); 28return GetAttributes<T>(attributeProvider, inherit).FirstOrDefault();

System\ComponentModel\Composition\Registration\PartBuilder.cs (10)

System\Composition\Convention\PartConventionBuilder.cs (11)

System\Linq\ParallelEnumerable.cs (1)

5494settings.CancellationState).FirstOrDefault();

System\Runtime\Serialization\CollectionDataContract.cs (1)

1353interfaceType.GetInterfaces().Where(t => t.FullName!.StartsWith("System.Collections.Generic.IEnumerable")).FirstOrDefault() ??

NoAssertContext.cs (1)

59if (Trace.Listeners.OfType<ThrowingTraceListener>().FirstOrDefault() is { } throwingTraceListener)

System\Xml\XPath\XNodeNavigator.cs (1)

986return node.XPathSelectElements(expression, resolver).FirstOrDefault();

System\Security\Cryptography\Pkcs\SignerInfo.cs (1)

873X509ChainStatus status = chain.ChainStatus.FirstOrDefault();

WSTrustChannelSecurityTokenProviderTest.cs (1)

68ClaimType ctype = trustRequest.Claims.ClaimTypes.FirstOrDefault();

Helpers\RoslynExtensions.cs (1)

188return type.GetCompatibleGenericBaseTypes(baseType).FirstOrDefault();

System\Windows\Forms\ActiveX\Control.ActiveXImpl.cs (1)

1445if (controlType.GetCustomAttributes<ComSourceInterfacesAttribute>(inherit: false).FirstOrDefault()

System\Windows\Forms\Controls\PropertyGrid\PropertyGrid.cs (1)

3593_selectedTab = _tabs.FirstOrDefault();

System\Windows\Forms\CSharp\CodeFixes\AddDesignerSerializationVisibility\AddDesignerSerializationVisibilityCodeFixProvider.cs (2)

112.FirstOrDefault() is not null; 127.FirstOrDefault()

AddDesignerSerializationVisibility\AddDesignerSerializationVisibilityCodeFixProvider.vb (2)

126FirstOrDefault() IsNot Nothing 141FirstOrDefault()?.

System\Windows\Forms\Design\ToolStripDesigner.cs (1)

1488parentMenu = parentForm.Controls.OfType<MenuStrip>().FirstOrDefault();

Processors\RunTestsArgumentProcessor.cs (1)

147var anySource = _commandLineOptions.Sources.FirstOrDefault();

parent\vstest.console\Processors\RunTestsArgumentProcessor.cs (1)

147var anySource = _commandLineOptions.Sources.FirstOrDefault();