FirstOrDefault

741 references to FirstOrDefault

ApplicationModelWebSite (2)

Conventions\CloneActionConvention.cs (1)

15var actionName = action.Attributes.OfType<CloneActionAttribute>()?.FirstOrDefault()?.ActionName;

Conventions\MultipleAreasControllerConvention.cs (1)

16var areaNames = controller.ControllerType.GetCustomAttributes<MultipleAreasAttribute>()?.FirstOrDefault()?.AreaNames;

Aspire.Azure.Data.Tables.Tests (2)

ConformanceTests.cs (2)

110service.Query(t => t.Name == tableName).FirstOrDefault(); 130_ = tableClient.GetTableClient("test").Query<TableEntity>(filter: "false").FirstOrDefault();

Aspire.Azure.Storage.Blobs.Tests (1)

ConformanceTests.cs (1)

130tableClient.GetBlobContainers().AsPages(pageSizeHint: 1).FirstOrDefault();

Aspire.Azure.Storage.Queues.Tests (1)

ConformanceTests.cs (1)

132tableClient.GetQueues().AsPages(pageSizeHint: 1).FirstOrDefault();

Aspire.Dashboard.Components.Tests (2)

Controls\StructuredLogDetailsTests.cs (1)

69var 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);

Aspire.Dashboard.Tests (1)

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

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

Aspire.Hosting (1)

Dcp\Model\Executable.cs (1)

224launchConfiguration = launchConfigurations?.FirstOrDefault();

Aspire.Hosting.AWS (3)

CDK\CDKExtensions.cs (1)

231var stackResource = builder.Resources.OfType<IStackResource>().FirstOrDefault();

CDK\ConstructOutputAnnotation.cs (1)

21stack = construct.Node.Scopes.OfType<Stack>().FirstOrDefault() ?? throw new InvalidOperationException("Construct is not part of a Stack");

CDK\Utils\ConstructExtensions.cs (1)

26=> construct.Node.Scopes.OfType<Stack>().FirstOrDefault();

Aspire.Hosting.Azure.Tests (3)

AzureEventHubsExtensionsTests.cs (1)

201var containerImageAnnotation = eventHubs.Resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

AzureResourceExtensionsTests.cs (2)

151var endpointAnnotation = cosmos.Resource.Annotations.OfType<EndpointAnnotation>().FirstOrDefault(); 172var containerImageAnnotation = cosmos.Resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

Aspire.Hosting.Testing.Tests (3)

TestingBuilderTests.cs (2)

36SearchOption.AllDirectories).FirstOrDefault(); 88var containerImageAnnotation = resource.Annotations.OfType<ContainerImageAnnotation>().FirstOrDefault();

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

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

Aspire.Hosting.Tests (1)

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

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

Aspire.Playground.Tests (1)

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

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

Aspire.Workload.Tests (1)

BuildAndRunTemplateTests.cs (1)

78var projectName = Directory.GetFiles(project.AppHostProjectDirectory, "*.csproj").FirstOrDefault();

BasicTestApp (1)

FormsTest\CustomFieldCssClassProvider.cs (1)

23.FirstOrDefault();

BuildBoss (3)

ProjectUtil.cs (3)

47internal XElement GetTargetFramework() => Document.XPathSelectElements("//mb:TargetFramework", Manager).FirstOrDefault(); 49internal XElement GetTargetFrameworks() => Document.XPathSelectElements("//mb:TargetFrameworks", Manager).FirstOrDefault(); 60var hasProjectWithSdkAttribute = Document.XPathSelectElements("//mb:Project", Manager).FirstOrDefault()?.Attribute("Sdk") != null;

ClientSample (1)

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

25return Values.FirstOrDefault();

CodeGenerator (2)

FeatureCollectionGenerator.cs (1)

35internal protected {feature}? _current{feature};")}{(allFeatures.Where(f => !implementedFeatures.Contains(f)).FirstOrDefault() is not null ? @"

src\Servers\Kestrel\shared\KnownHeaders.cs (1)

404var firstTermVarExpression = values.Select(h => h.FirstNameIgnoreCaseSegment()).FirstOrDefault();

ConfigurationSchemaGenerator (2)

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;

Crossgen2Tasks (1)

ResolveReadyToRunCompilers.cs (1)

60_crossgen2Pack = Crossgen2Packs?.FirstOrDefault();

dotnet-dev-certs (1)

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

25return Values.FirstOrDefault();

dotnet-getdocument (1)

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

25return Values.FirstOrDefault();

dotnet-openapi (1)

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

25return Values.FirstOrDefault();

dotnet-sql-cache (1)

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

25return Values.FirstOrDefault();

dotnet-svcutil-lib (18)

CommandProcessorOptions.cs (1)

824FileInfo 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 (7)

87_projectReferenceGroup = refItems.FirstOrDefault().Parent; 110_referenceGroup = refItems.FirstOrDefault().Parent; 134_packageReferenceGroup = refItems.FirstOrDefault().Parent; 432var ele = doc.Root?.Descendants(elementStr).FirstOrDefault(); 547if (this.TargetFrameworks.Count() > 1 && dependency.Name.Equals(TargetFrameworkHelper.FullFrameworkReferences.FirstOrDefault().Name) 979this.GlobalProperties["TargetFramework"] = this.TargetFrameworks.FirstOrDefault(); 1027depsFile = depsFiles.FirstOrDefault()?.FullName;

Shared\TargetFrameworkHelper.cs (1)

166targetFramework = targetFrameworks.FirstOrDefault() ?? string.Empty;

Shared\Utilities\PathHelper.cs (1)

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

Tool.cs (1)

295needSave |= project.AddDependency(TargetFrameworkHelper.FullFrameworkReferences.FirstOrDefault());

dotnet-svcutil-lib.Tests (1)

TestInit.cs (1)

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

dotnet-user-jwts (2)

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

25return Values.FirstOrDefault();

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

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

dotnet-user-secrets (2)

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

25return Values.FirstOrDefault();

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

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

GetDocument.Insider (1)

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

25return Values.FirstOrDefault();

IdeCoreBenchmarks (1)

ProjectOperationBenchmarks.cs (1)

108var documentId = Project.DocumentIds.FirstOrDefault();

Identity.DefaultUI.WebSite (1)

src\Identity\test\InMemory.Test\InMemoryUserStore.cs (1)

339where user.Claims.Where(x => x.ClaimType == claim.Type && x.ClaimValue == claim.Value).FirstOrDefault() != null

illink (5)

Linker.Dataflow\FlowAnnotations.cs (1)

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

Linker.Steps\LinkAttributesParser.cs (2)

212 PropertyDefinition? property = attributeType.Properties.Where (prop => prop.Name == propertyName).FirstOrDefault (); 288 var enumField = enumType.Fields.Where (f => f.IsStatic && f.Name == svalue).FirstOrDefault ();

Linker.Steps\ProcessLinkerXmlBase.cs (1)

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

Linker\MessageOrigin.cs (1)

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

ILLink.RoslynAnalyzer (3)

RequiresAssemblyFilesAnalyzer.cs (1)

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

RequiresDynamicCodeAnalyzer.cs (1)

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

RequiresUnreferencedCodeAnalyzer.cs (1)

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

InProcessWebSite (1)

src\Servers\IIS\IIS\test\testassets\InProcessWebSite\Program.cs (1)

23var mode = args.FirstOrDefault();

Microsoft.Analyzers.Extra.Tests (4)

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();

Microsoft.Analyzers.Local (3)

InternalReferencedInPublicDocAnalyzer.cs (3)

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

Microsoft.AspNetCore.App.Analyzers (8)

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();

Microsoft.AspNetCore.App.UnitTests (1)

SharedFxTests.cs (1)

327var sharedFxPath = Directory.GetFiles(packageFolder, "Microsoft.AspNetCore.App.Runtime.*-*." + TestData.GetSharedFxVersion() + ".nupkg").FirstOrDefault();

Microsoft.AspNetCore.Authentication.Test (2)

CookieTests.cs (1)

1727var cookie = (await server.SendAsync("http://www.example.com/signin")).SetCookie.FirstOrDefault();

JwtBearerTests_Handler.cs (1)

1042Assert.Equal(firstKey, Convert.ToBase64String(jwtBearerOptions.TokenValidationParameters.IssuerSigningKeys.OfType<SymmetricSecurityKey>().FirstOrDefault()?.Key));

Microsoft.AspNetCore.Components.Endpoints (1)

Builder\RazorComponentsEndpointRouteBuilderExtensions.cs (1)

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

Microsoft.AspNetCore.Components.WebAssembly (1)

HotReload\HotReloadAgent.cs (1)

281return loadedAssembly.Modules.FirstOrDefault()?.ModuleVersionId;

Microsoft.AspNetCore.Components.WebAssembly.Server (1)

AuthenticationStateSerializationOptions.cs (1)

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

Microsoft.AspNetCore.Cors.Test (4)

CorsMiddlewareTests.cs (4)

59Assert.Equal(OriginUrl, response.Headers.GetValues(CorsConstants.AccessControlAllowOrigin).FirstOrDefault()); 101Assert.Equal(OriginUrl, response.Headers.GetValues(CorsConstants.AccessControlAllowOrigin).FirstOrDefault()); 102Assert.Equal("AllowedHeader", response.Headers.GetValues(CorsConstants.AccessControlExposeHeaders).FirstOrDefault()); 151Assert.Equal(OriginUrl, response.Headers.GetValues(CorsConstants.AccessControlAllowOrigin).FirstOrDefault());

Microsoft.AspNetCore.DataProtection (3)

KeyManagement\DefaultKeyResolver.cs (2)

163select key).FirstOrDefault(); 205select key).FirstOrDefault();

XmlEncryption\XmlEncryptionExtensions.cs (1)

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

Microsoft.AspNetCore.Diagnostics (2)

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

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

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

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

Microsoft.AspNetCore.Diagnostics.Middleware.Tests (1)

Latency\ChecpointAcceptanceTests.cs (1)

112.FirstOrDefault();

Microsoft.AspNetCore.Grpc.JsonTranscoding (2)

src\Grpc\JsonTranscoding\src\Shared\Legacy.cs (2)

400.FirstOrDefault()?.PreferredAlias ?? true) 403.FirstOrDefault()

Microsoft.AspNetCore.Grpc.Swagger (3)

Internal\XmlComments\GrpcXmlCommentsOperationFilter.cs (1)

24var grpcMetadata = context.ApiDescription.ActionDescriptor.EndpointMetadata.OfType<GrpcMethodMetadata>().FirstOrDefault();

src\Grpc\JsonTranscoding\src\Shared\Legacy.cs (2)

400.FirstOrDefault()?.PreferredAlias ?? true) 403.FirstOrDefault()

Microsoft.AspNetCore.Hosting (3)

Internal\StartupLoader.cs (2)

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

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

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

Microsoft.AspNetCore.Http.Connections.Client (1)

Internal\Constants.cs (1)

22.FirstOrDefault();

Microsoft.AspNetCore.Http.Connections.Tests (1)

HttpConnectionDispatcherTests.cs (1)

824Assert.Equal("claimValue", connectionHttpContext.User.Claims.FirstOrDefault().Value);

Microsoft.AspNetCore.Http.Extensions (7)

RequestDelegateFactory.cs (7)

719if (parameterCustomAttributes.OfType<IFromRouteMetadata>().FirstOrDefault() is { } routeAttribute) 730else if (parameterCustomAttributes.OfType<IFromQueryMetadata>().FirstOrDefault() is { } queryAttribute) 735else if (parameterCustomAttributes.OfType<IFromHeaderMetadata>().FirstOrDefault() is { } headerAttribute) 740else if (parameterCustomAttributes.OfType<IFromBodyMetadata>().FirstOrDefault() is { } bodyAttribute) 755else if (parameterCustomAttributes.OfType<IFromFormMetadata>().FirstOrDefault() is { } formAttribute) 798if (parameterCustomAttributes.OfType<FromKeyedServicesAttribute>().FirstOrDefault() is not null) 806else if (parameterCustomAttributes.OfType<FromKeyedServicesAttribute>().FirstOrDefault() is { } keyedServicesAttribute)

Microsoft.AspNetCore.Http.Extensions.Tests (1)

RequestDelegateGenerator\CompileTimeCreationTests.cs (1)

562var log1 = logs.FirstOrDefault();

Microsoft.AspNetCore.Http.Tests (10)

Features\QueryFeatureTests.cs (10)

Microsoft.AspNetCore.HttpLogging.Tests (2)

FileLoggerProcessorTests.cs (2)

239await WaitForCondition(() => testSink.Writes.FirstOrDefault()?.EventId.Name == "MaxFilesReached").DefaultTimeout(); 255await WaitForCondition(() => testSink2.Writes.FirstOrDefault()?.EventId.Name == "MaxFilesReached").DefaultTimeout();

Microsoft.AspNetCore.HttpsPolicy.Tests (4)

HstsMiddlewareTests.cs (3)

71Assert.Equal("max-age=2592000", response.Headers.GetValues(HeaderNames.StrictTransportSecurity).FirstOrDefault()); 117Assert.Equal(expected, response.Headers.GetValues(HeaderNames.StrictTransportSecurity).FirstOrDefault()); 163Assert.Equal(expected, response.Headers.GetValues(HeaderNames.StrictTransportSecurity).FirstOrDefault());

HttpsPolicyTests.cs (1)

77Assert.Equal(expectedHstsHeader, response.Headers.GetValues(HeaderNames.StrictTransportSecurity).FirstOrDefault());

Microsoft.AspNetCore.Identity.EntityFrameworkCore (1)

IdentityUserContext.cs (1)

105.FirstOrDefault()?.ApplicationServiceProvider

Microsoft.AspNetCore.Identity.EntityFrameworkCore.Test (2)

UserStoreWithGenericsTest.cs (2)

163Claim oldClaim = userClaims.FirstOrDefault(); 167Claim newClaim = newUserClaims.FirstOrDefault();

Microsoft.AspNetCore.Identity.InMemory.Test (2)

FunctionalTest.cs (1)

446transaction.SetCookie = transaction.Response.Headers.GetValues("Set-Cookie").FirstOrDefault();

InMemoryUserStore.cs (1)

339where user.Claims.Where(x => x.ClaimType == claim.Type && x.ClaimValue == claim.Value).FirstOrDefault() != null

Microsoft.AspNetCore.Identity.Specification.Tests (2)

IdentityResultAssert.cs (2)

53Assert.Equal(error.Description, result.Errors.FirstOrDefault()?.Description); 54Assert.Equal(error.Code, result.Errors.FirstOrDefault()?.Code);

Microsoft.AspNetCore.Identity.Test (1)

IdentityUIScriptsTest.cs (1)

175var solutionPath = Directory.EnumerateFiles(directoryInfo.FullName, "*.sln").FirstOrDefault();

Microsoft.AspNetCore.InternalTesting (4)

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();

Microsoft.AspNetCore.InternalTesting.Tests (1)

TestableAssembly.cs (1)

43ThisAssembly.GetCustomAttributes().OfType<TestOutputDirectoryAttribute>().FirstOrDefault();

Microsoft.AspNetCore.Mvc.Abstractions (1)

ModelBinding\BindingInfo.cs (1)

180if (attributes.OfType<FromKeyedServicesAttribute>().FirstOrDefault() is { } fromKeyedServicesAttribute)

Microsoft.AspNetCore.Mvc.Api.Analyzers (10)

ActualApiResponseMetadataFactory.cs (2)

89?.FirstOrDefault(); 97.FirstOrDefault();

AddResponseTypeAttributeCodeFixAction.cs (1)

95var apiConventionMethodAttribute = context.Method.GetAttributes(context.SymbolCache.ApiConventionMethodAttribute).FirstOrDefault();

SymbolApiConventionMatcher.cs (2)

63var attribute = symbol.GetAttributes(symbolCache.ApiConventionNameMatchAttribute).FirstOrDefault(); 85var attribute = symbol.GetAttributes(symbolCache.ApiConventionTypeMatchAttribute).FirstOrDefault();

SymbolApiResponseMetadataProvider.cs (5)

48method.GetAttributes(symbolCache.ProducesErrorResponseTypeAttribute).FirstOrDefault() ?? 49method.ContainingType.GetAttributes(symbolCache.ProducesErrorResponseTypeAttribute).FirstOrDefault() ?? 50method.ContainingAssembly.GetAttributes(symbolCache.ProducesErrorResponseTypeAttribute).FirstOrDefault(); 86.FirstOrDefault(); 152var producesDefaultResponse = methodSymbol.GetAttributes(symbolCache.ProducesDefaultResponseTypeAttribute, inherit: true).FirstOrDefault();

Microsoft.AspNetCore.Mvc.ApiExplorer (5)

EndpointMetadataApiDescriptionProvider.cs (5)

255if (attributes.OfType<IFromRouteMetadata>().FirstOrDefault() is { } routeAttribute) 261else if (attributes.OfType<IFromQueryMetadata>().FirstOrDefault() is { } queryAttribute) 265else if (attributes.OfType<IFromHeaderMetadata>().FirstOrDefault() is { } headerAttribute) 269else if (attributes.OfType<IFromBodyMetadata>().FirstOrDefault() is { } fromBodyAttribute) 273else if (attributes.OfType<IFromFormMetadata>().FirstOrDefault() is { } fromFormAttribute)

Microsoft.AspNetCore.Mvc.ApiExplorer.Test (1)

EndpointMetadataApiDescriptionProviderTest.cs (1)

775.FirstOrDefault();

Microsoft.AspNetCore.Mvc.Core (17)

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)

175var apiVisibility = attributes.OfType<IApiDescriptionVisibilityProvider>().FirstOrDefault(); 181var apiGroupName = attributes.OfType<IApiDescriptionGroupNameProvider>().FirstOrDefault(); 273var actionName = attributes.OfType<ActionNameAttribute>().FirstOrDefault(); 283var apiVisibility = attributes.OfType<IApiDescriptionVisibilityProvider>().FirstOrDefault(); 289var 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;

Microsoft.AspNetCore.Mvc.Cors (4)

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();

Microsoft.AspNetCore.Mvc.DataAnnotations (10)

DataAnnotationsMetadataProvider.cs (10)

Microsoft.AspNetCore.Mvc.Formatters.Xml (1)

ModelBinding\DataMemberRequiredBindingMetadataProvider.cs (1)

35.FirstOrDefault();

Microsoft.AspNetCore.Mvc.FunctionalTests (3)

AuthMiddlewareAndFilterTestBase.cs (1)

283return response.Headers.GetValues("Set-Cookie").FirstOrDefault();

AuthMiddlewareUsingRequireAuthTest.cs (1)

85return response.Headers.GetValues("Set-Cookie").FirstOrDefault();

TestingInfrastructureTests.cs (1)

23Factory = fixture.Factories.FirstOrDefault() ?? fixture.WithWebHostBuilder(ConfigureWebHostBuilder);

Microsoft.AspNetCore.Mvc.NewtonsoftJson (1)

NewtonsoftJsonValidationMetadataProvider.cs (1)

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

Microsoft.AspNetCore.Mvc.Razor (1)

RazorHotReload.cs (1)

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

Microsoft.AspNetCore.Mvc.RazorPages (1)

Builder\RazorPagesEndpointRouteBuilderExtensions.cs (1)

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

Microsoft.AspNetCore.Mvc.RazorPages.Test (1)

Infrastructure\PageActionInvokerTest.cs (1)

1562.Returns<PageContext>(c => c.ActionDescriptor.HandlerMethods.FirstOrDefault());

Microsoft.AspNetCore.Mvc.ViewFeatures (1)

Filters\AntiforgeryApplicationModelProvider.cs (1)

55var antiforgeryAttribute = filters.OfType<ValidateAntiForgeryTokenAttribute>().FirstOrDefault();

Microsoft.AspNetCore.Mvc.ViewFeatures.Test (12)

ExpressionHelperTest.cs (12)

Microsoft.AspNetCore.OpenApi (6)

Services\OpenApiGenerator.cs (6)

297var hasFormAttribute = requestBodyParameter.GetCustomAttributes().OfType<IFromFormMetadata>().FirstOrDefault() != null; 403if (attributes.OfType<IFromRouteMetadata>().FirstOrDefault() is { } routeAttribute) 407else if (attributes.OfType<IFromQueryMetadata>().FirstOrDefault() is { } queryAttribute) 411else if (attributes.OfType<IFromHeaderMetadata>().FirstOrDefault() is { } headerAttribute) 415else if (attributes.OfType<IFromBodyMetadata>().FirstOrDefault() is { } fromBodyAttribute) 419else if (attributes.OfType<IFromFormMetadata>().FirstOrDefault() is { } fromFormAttribute)

Microsoft.AspNetCore.OpenApi.Tests (1)

Services\OpenApiGeneratorTests.cs (1)

87var content = operation.RequestBody.Content.Keys.FirstOrDefault();

Microsoft.AspNetCore.ResponseCompression (1)

ResponseCompressionProvider.cs (1)

141selectedProvider = candidates.FirstOrDefault().Provider;

Microsoft.AspNetCore.Rewrite (3)

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);

Microsoft.AspNetCore.Rewrite.Tests (1)

IISUrlRewrite\RewriteMapParserTests.cs (1)

28var xmlRoot = xmlDoc.Descendants(RewriteTags.Rewrite).FirstOrDefault();

Microsoft.AspNetCore.Server.HttpSys.FunctionalTests (2)

ResponseCachingTests.cs (2)

480return response.Headers.GetValues("x-request-count").FirstOrDefault(); 491return response.Headers.GetValues("x-request-count").FirstOrDefault();

Microsoft.AspNetCore.Server.IIS (1)

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

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

Microsoft.AspNetCore.Server.IntegrationTesting (1)

Deployers\RemoteWindowsDeployer\RemoteWindowsDeployer.cs (1)

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

Microsoft.AspNetCore.Server.IntegrationTesting.IIS (2)

IISDeployer.cs (2)

297var app = site.Applications.FirstOrDefault(); 298if (app != null && app.VirtualDirectories.FirstOrDefault()?.PhysicalPath == contentRoot)

Microsoft.AspNetCore.Server.Kestrel.Core (1)

Internal\Http\HttpProtocol.cs (1)

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

Microsoft.AspNetCore.Server.Kestrel.Core.Tests (1)

src\Servers\Kestrel\shared\KnownHeaders.cs (1)

404var firstTermVarExpression = values.Select(h => h.FirstNameIgnoreCaseSegment()).FirstOrDefault();

Microsoft.AspNetCore.Shared.Tests (1)

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

25return Values.FirstOrDefault();

Microsoft.AspNetCore.StaticFiles.Tests (2)

DefaultFilesMiddlewareTests.cs (1)

267var actualURL = response.Headers.GetValues("Location").FirstOrDefault();

DirectoryBrowserMiddlewareTests.cs (1)

272Assert.Equal("http://localhost" + requestUrl + "/" + queryString, response.Headers.GetValues("Location").FirstOrDefault());

Microsoft.AspNetCore.TestHost (1)

WebHostBuilderExtensions.cs (1)

155var solutionPath = Directory.EnumerateFiles(directoryInfo.FullName, solutionName).FirstOrDefault();

Microsoft.AspNetCore.WebUtilities.Tests (11)

QueryHelpersTests.cs (11)

Microsoft.Build (9)

BackEnd\BuildManager\BuildManager.cs (1)

903_buildTelemetry.Project ??= requestData.EntryProjectsFullPath.FirstOrDefault();

BackEnd\Components\ProjectCache\ProjectCacheService.cs (1)

355var type = GetTypes<ProjectCachePluginBase>(assembly).FirstOrDefault();

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

56var firstPath = paths.FirstOrDefault();

BuildCheck\Infrastructure\BuildCheckManagerProvider.cs (2)

500projectFullPath = _projectsByInstanceId.FirstOrDefault().Value; 510projectFullPath = _projectsByEvaluationId.FirstOrDefault().Value;

Construction\ProjectRootElement.cs (2)

705=> GetChildrenReversedOfType<ProjectExtensionsElement>().FirstOrDefault(); 1033ProjectElement reference = ItemGroupsReversed.FirstOrDefault();

Graph\GraphBuildRequestData.cs (2)

218ProjectGraphNode? node = ProjectGraph?.EntryPointNodes.FirstOrDefault(); 224ProjectGraphEntryPoint? entryPoint = ProjectGraphEntryPoints?.FirstOrDefault();

Microsoft.Build.BuildCheck.UnitTests (1)

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

Microsoft.Build.CommandLine.UnitTests (1)

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

Microsoft.Build.Engine.OM.UnitTests (31)

Definition\Project_Tests.cs (3)

2293List<ProjectItem> list = new List<ProjectItem>() { project.GetItems("i").FirstOrDefault(), project.GetItems("j").FirstOrDefault() }; 2404ProjectItem item = project.GetItems("i").FirstOrDefault();

Definition\ProjectItem_Tests.cs (3)

2159var metadata = project.GetItems("I").FirstOrDefault().SetMetadataValue("M", "$(P);@(Foo)", true); 2185var item = project.GetItems("I").FirstOrDefault(); 2193ProjectMetadataElement metadataElement = item.Xml.Metadata.FirstOrDefault();

ObjectModelRemoting\Helpers\ViewValidation.construction.cs (2)

197return result.FirstOrDefault(); 204return result.FirstOrDefault();

ObjectModelRemoting\LinkedConstructionModify_Tests.cs (4)

45var newView = this.StdGroup.Local.GetLoadedProjects(tempPath).FirstOrDefault(); 85ViewValidation.VerifyMetadata(itemMetadata, (k) => itemWithMetadata1.View.Metadata.Where((md) => md.Name == k).FirstOrDefault().Value); 707ViewValidation.VerifyMetadata(itemMetadata, (k) => itemWithMetadata1.View.Metadata.Where((md) => md.Name == k).FirstOrDefault().Value); 708ViewValidation.VerifyMetadata(itemMetadata, (k) => itemWithMetadata2.View.Metadata.Where((md) => md.Name == k).FirstOrDefault().Value);

ObjectModelRemoting\LinkedConstructionReadOnly_Tests.cs (4)

35var projView = this.Local.GetLoadedProjects(this.BigFile).FirstOrDefault(); 47var projView = this.Local.GetLoadedProjects(this.BigFile).FirstOrDefault(); 99var realXml = realExtensionsList.FirstOrDefault(); 100var viewXml = viewExtensionsList.FirstOrDefault();

ObjectModelRemoting\LinkedEvaluationModify_Tests.cs (4)

40var viewProj = pcLocal.Collection.GetLoadedProjects(proj1Path).FirstOrDefault(); 114var viewProj = pcLocal.Collection.GetLoadedProjects(proj1Path).FirstOrDefault(); 310var viewProj = pcLocal.Collection.GetLoadedProjects(proj1Path).FirstOrDefault(); 346var viewProj = pcLocal.Collection.GetLoadedProjects(proj1Path).FirstOrDefault();

ObjectModelRemoting\LinkedEvaluationReadOnly_Tests.cs (2)

29var projView = this.Local.GetLoadedProjects(this.BigFile).FirstOrDefault(); 41var projView = this.Local.GetLoadedProjects(this.BigFile).FirstOrDefault();

ObjectModelRemoting\LinkedProjectCollection_Tests.cs (5)

46Assert.Same(proj1, loadedLocal.FirstOrDefault()); 47Assert.Same(proj2, loadedRemote.FirstOrDefault()); 55var localProj = pcLocal.Collection.GetLoadedProjects(proj1Path).FirstOrDefault(); 58var remoteProj = pcLocal.Collection.GetLoadedProjects(proj2Path).FirstOrDefault(); 118ViewValidation.VerifyLinkedNotNull(prj3Coll.FirstOrDefault());

ObjectModelRemoting\LinkedSpecialCasesScenarios.cs (3)

54var targetView = this.Local.GetLoadedProjects(this.TargetBigPath).FirstOrDefault(); 61var guestView = this.Local.GetLoadedProjects(this.GuestBigPath).FirstOrDefault(); 82var newView = this.StdGroup.Local.GetLoadedProjects(tempPath).FirstOrDefault();

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

Microsoft.Build.Engine.UnitTests (9)

BackEnd\BuildManager_Tests.cs (1)

200graph.GraphRoots.FirstOrDefault()

Construction\SolutionProjectGenerator_Tests.cs (3)

2543ProjectInstance projectInstance = SolutionProjectGenerator.Generate(solutionFile, null, null, BuildEventContext.Invalid, CreateMockLoggingService(), new[] { "MyTarget" }).FirstOrDefault(); 2604ProjectInstance projectInstance = SolutionProjectGenerator.Generate(solutionFile, null, null, BuildEventContext.Invalid, CreateMockLoggingService(), targetsToBuild).FirstOrDefault(); 2721ProjectInstance projectInstance = SolutionProjectGenerator.Generate(solutionFile, globalProperties, null, BuildEventContext.Invalid, CreateMockLoggingService(), new[] { "Build" }).FirstOrDefault();

Graph\ProjectGraph_Tests.cs (1)

2226var innerBuild2 = GetInnerBuilds(graph, 2).FirstOrDefault();

Parser_Tests.cs (1)

579var projectItem = project.GetItems("A").FirstOrDefault();

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

WarningsAsMessagesAndErrors_Tests.cs (2)

223BuildErrorEventArgs actualEvent = logger.Errors.FirstOrDefault(); 235BuildWarningEventArgs actualEvent = logger.Warnings.FirstOrDefault();

Microsoft.Build.Framework.UnitTests (1)

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

Microsoft.Build.Tasks.Core (4)

BootstrapperUtil\BootstrapperBuilder.cs (1)

1860KeyValuePair<string, XmlNode> altCulturePair = _cultures.FirstOrDefault();

GetSDKReferenceFiles.cs (1)

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

ResolveSDKReference.cs (1)

531var resolvedReference = sdkReferenceItems.Where(y => String.Equals(y.SimpleName, simpleName, StringComparison.OrdinalIgnoreCase) && String.Equals(y.Version, sdkVersion, StringComparison.OrdinalIgnoreCase)).DefaultIfEmpty(null).FirstOrDefault();

WriteCodeFragment.cs (1)

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

Microsoft.Build.Tasks.UnitTests (4)

CodeTaskFactoryTests.cs (1)

1225BuildErrorEventArgs error = mockLogger.Errors.FirstOrDefault();

ProjectExtensionsImportTestBase.cs (2)

231logger.Errors.Select(i => i.Code).FirstOrDefault().ShouldBe("MSB3540"); 258logger.Warnings.Select(i => i.Code).FirstOrDefault().ShouldBe("MSB3539");

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

Microsoft.Build.UnitTests.Shared (1)

EngineTestEnvironment.cs (1)

212var binaryLogger = expectedLoggers.OfType<BinaryLogger>().FirstOrDefault();

Microsoft.Build.Utilities.Core (4)

ToolLocationHelper.cs (4)

535.DefaultIfEmpty(null).FirstOrDefault<TargetPlatformSDK>(); 1390return availablePlatformVersions.OrderByDescending(x => x).FirstOrDefault().ToString(); 2505DirectoryInfo extensionSdksDirectory = rootInfo.GetDirectories("Extension SDKs", SearchOption.TopDirectoryOnly).FirstOrDefault(); 2511DirectoryInfo extensionSdksDirectory2 = rootInfo.GetDirectories("ExtensionSDKs", SearchOption.TopDirectoryOnly).FirstOrDefault();

Microsoft.Build.Utilities.UnitTests (1)

TestAssemblyInfo.cs (1)

121var cliVersionElement = doc.Root.Elements(ns + "PropertyGroup").Elements(ns + "DotNetCliVersion").FirstOrDefault();

Microsoft.Cci.Extensions (12)

Extensions\CSharp\CSharpCciExtensions.cs (3)

657return ((ITypeDefinition)method.ContainingType).ExplicitImplementationOverrides.Where(mi => mi.ImplementingMethod.Equals(method)).FirstOrDefault(); 665string location = methodImplementation.ContainingType.Locations.FirstOrDefault()?.Document?.Location; 747object argument = attribute.Arguments.FirstOrDefault();

Extensions\TypeExtensions.cs (3)

354ITypeReference baseTypeRef = type.BaseClasses.FirstOrDefault(); 427select a).FirstOrDefault(); 432var nameArgument = tfmAttribute.Arguments.FirstOrDefault() as IMetadataConstant;

Writers\CSharp\CSDeclarationWriter.Attributes.cs (1)

393var arg = c.Arguments.OfType<IMetadataConstant>().FirstOrDefault();

Writers\CSharp\CSDeclarationWriter.Generics.cs (1)

88var assemblyLocation = parameter.Locations.FirstOrDefault()?.Document?.Location;

Writers\CSharp\CSDeclarationWriter.Methods.cs (2)

437var baseType = type.BaseClasses.FirstOrDefault().GetDefinitionOrNull(); 453return constructors.FirstOrDefault();

Writers\CSharp\CSDeclarationWriter.Types.cs (2)

121string location = type.Locations.FirstOrDefault()?.Document?.Location; 175ITypeReference baseTypeRef = type.BaseClasses.FirstOrDefault();

Microsoft.CodeAnalysis (3)

InternalUtilities\EnumerableExtensions.cs (1)

214return source.Cast<T?>().FirstOrDefault();

MetadataReader\PEModule.cs (2)

709var fLeft = left.FirstOrDefault(); 710var fRight = right.FirstOrDefault();

Microsoft.CodeAnalysis.CodeStyle (10)

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

160var interpolatedStringOperation = AncestorsAndSelf(operation).OfType<IInterpolatedStringOperation>().FirstOrDefault();

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

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

src\Compilers\Core\Portable\InternalUtilities\EnumerableExtensions.cs (1)

214return source.Cast<T?>().FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\EditorConfig\Parsing\EditorConfigFile.cs (2)

49.FirstOrDefault(); 87.FirstOrDefault();

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

542var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

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

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

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

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

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

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

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

70.FirstOrDefault();

Microsoft.CodeAnalysis.CodeStyle.Fixes (9)

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

83var summaryNode = GetElementNodes(newDocComment, "summary").FirstOrDefault(); 103var nodeAfterNewParamNode = paramNodes.FirstOrDefault() ?? newDocComment.ChildNodes().First();

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

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

321constraints.OfType<INamedTypeSymbol>().FirstOrDefault() ??

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

123var methodDeclaration = syntaxRoot.GetAnnotatedNodes(annotation).FirstOrDefault();

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

376var field = members.OfType<IFieldSymbol>().FirstOrDefault();

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

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

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

67var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 75var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

Microsoft.CodeAnalysis.CSharp (8)

BoundTree\UnboundLambda.cs (1)

1256.FirstOrDefault()

CommandLine\CSharpCommandLineParser.cs (1)

1676simpleName = PathUtilities.RemoveExtension(PathUtilities.GetFileName(sourceFiles.FirstOrDefault().Path));

Compilation\CSharpSemanticModel.cs (2)

793var existingConstructorInitializer = this.Root.FindToken(position).Parent.AncestorsAndSelf().OfType<ConstructorInitializerSyntax>().FirstOrDefault(); 865var 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();

Microsoft.CodeAnalysis.CSharp.CodeStyle (8)

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

73.FirstOrDefault();

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

31.FirstOrDefault(); 135.FirstOrDefault(); 151.FirstOrDefault();

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

49var nextChar = tokenAfterParen.Text.FirstOrDefault();

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

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

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

95var enumDecl = namedTypeSymbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).OfType<EnumDeclarationSyntax>().FirstOrDefault();

Microsoft.CodeAnalysis.CSharp.CodeStyle.Fixes (7)

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

702return operation.FirstOrDefault() is IReturnOperation 884=> statementsToCheck.FirstOrDefault() switch 1025if (TryGetAssignmentFromParameterWithExplicitCast(statementsToCheck.FirstOrDefault(), parameter, out otherC))

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

225var parameter = method.Parameters.Where(p => p.Name == identifier.Text).FirstOrDefault();

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

545var xmlElement = identifier.AncestorsAndSelf().OfType<XmlEmptyElementSyntax>().FirstOrDefault();

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

212var implementation = implementations.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (1)

1558var patternType = GetPatternTypes(subPattern.Pattern).FirstOrDefault();

Microsoft.CodeAnalysis.CSharp.EditorFeatures.UnitTests (4)

AddMissingImports\CSharpAddMissingImportsRefactoringProviderTests.cs (1)

32var pastedTextSpan = hostDocument.SelectedSpans.FirstOrDefault();

Interactive\BraceMatching\InteractiveBraceHighlightingTests.cs (1)

40buffer.CurrentSnapshot.GetRelatedDocumentsWithChanges().FirstOrDefault(),

SymbolKey\SymbolKeyCompilationsTests.cs (2)

98var symbol01 = comp1.SourceModule.GlobalNamespace.GetMembers().FirstOrDefault() as NamedTypeSymbol; 99var symbol02 = comp1.SourceModule.GlobalNamespace.GetMembers().FirstOrDefault() as NamedTypeSymbol;

Microsoft.CodeAnalysis.CSharp.Emit2.UnitTests (1)

PDB\CSharpDeterministicBuildCompilationTests.cs (1)

49var firstSyntaxTree = (CSharpSyntaxTree)compilation.SyntaxTrees.FirstOrDefault();

Microsoft.CodeAnalysis.CSharp.Emit3.UnitTests (7)

FlowAnalysis\FlowTestBase.cs (1)

218return GetSyntaxNodeList(tree).OfType<T>().Where(n => n.Span.Contains(offset)).FirstOrDefault();

FlowAnalysis\RegionAnalysisTests.cs (1)

6418var statement = tree.GetCompilationUnitRoot().DescendantNodes().OfType<BlockSyntax>().FirstOrDefault();

Semantics\OutVarTests.cs (4)

1078var typeofExpression = decl.Ancestors().OfType<TypeOfExpressionSyntax>().FirstOrDefault(); 1277if ((forStatement = decl.Ancestors().OfType<ForStatementSyntax>().FirstOrDefault()) != null && 1284var containingStatement = decl.Ancestors().OfType<StatementSyntax>().FirstOrDefault(); 32707var declarator = decl.Ancestors().OfType<VariableDeclaratorSyntax>().FirstOrDefault();

Semantics\PatternMatchingTestBase.cs (1)

291var declarator = designation.Ancestors().OfType<VariableDeclaratorSyntax>().FirstOrDefault();

Microsoft.CodeAnalysis.CSharp.Features (23)

AddImport\CSharpAddImportFeatureService.cs (1)

496.FirstOrDefault();

ChangeSignature\CSharpChangeSignatureService.cs (1)

820var identifier = nameAttribute.DescendantNodes(descendIntoTrivia: true).OfType<IdentifierNameSyntax>().FirstOrDefault();

CodeRefactorings\UseRecursivePatterns\UseRecursivePatternsCodeRefactoringProvider.cs (1)

315.FirstOrDefault();

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

179var system = compilation.GlobalNamespace.GetMembers(nameof(System)).OfType<INamespaceSymbol>().FirstOrDefault(); 180var systemCollections = system?.GetMembers(nameof(System.Collections)).OfType<INamespaceSymbol>().FirstOrDefault();

Completion\CompletionProviders\EnumAndCompletionListTagCompletionProvider.cs (1)

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

ConvertNamespace\ConvertNamespaceCodeRefactoringProvider.cs (1)

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

ConvertProgram\ConvertProgramTransform_TopLevelStatements.cs (1)

63return root.Members.OfType<FileScopedNamespaceDeclarationSyntax>().FirstOrDefault() is { } fileScopedNamespace

DocumentationComments\CSharpDocumentationCommentSnippetService.cs (1)

347var firstTextToken = textTokens.FirstOrDefault();

EditAndContinue\CSharpEditAndContinueAnalyzer.cs (2)

1624(editKind == EditKind.Delete ? globalStatements.LastOrDefault() : globalStatements.FirstOrDefault()) ?? 1625unit.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.TriviaResult.cs (1)

66var token = node.GetAnnotatedNodesAndTokens(annotation).FirstOrDefault().AsToken();

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

73.FirstOrDefault();

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

31.FirstOrDefault(); 135.FirstOrDefault(); 151.FirstOrDefault();

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

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

225var parameter = method.Parameters.Where(p => p.Name == identifier.Text).FirstOrDefault();

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

545var xmlElement = identifier.AncestorsAndSelf().OfType<XmlEmptyElementSyntax>().FirstOrDefault();

Microsoft.CodeAnalysis.CSharp.Scripting.UnitTests (1)

InteractiveSessionTests.cs (1)

1489Assert.Null(value.FirstOrDefault());

Microsoft.CodeAnalysis.CSharp.Semantic.UnitTests (2)

Semantics\InterpolationTests.cs (1)

4603.FirstOrDefault()

Semantics\RawInterpolationTests_Handler.cs (1)

2904.FirstOrDefault()

Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests (4)

Compilation\SemanticModelAPITests.cs (2)

1962var lambdaExpression = speculatedStatement.DescendantNodes().OfType<ParenthesizedLambdaExpressionSyntax>().FirstOrDefault(); 2683var lambdaExpression = blockStatement.Statements[0].DescendantNodes().OfType<ParenthesizedLambdaExpressionSyntax>().FirstOrDefault();

Symbols\IndexerTests.cs (1)

2844ExpressionSyntax expr = tree.GetCompilationUnitRoot().DescendantNodes().OfType<ElementAccessExpressionSyntax>().FirstOrDefault();

Symbols\TypeTests.cs (1)

1455var errSymbol = comp.SourceModule.GlobalNamespace.GetMembers().FirstOrDefault() as NamedTypeSymbol;

Microsoft.CodeAnalysis.CSharp.Syntax.UnitTests (29)

Syntax\SyntaxAnnotationTests.cs (4)

100var toTrivia = GetAllTrivia(tree.GetCompilationUnitRoot()).FirstOrDefault(); 110var fromTrivia = GetAllTrivia(tree.GetCompilationUnitRoot()).FirstOrDefault(); 119var fromTrivia = GetAllTrivia(tree.GetCompilationUnitRoot()).FirstOrDefault(); 120var toTrivia = GetAllTrivia(tree.GetCompilationUnitRoot()).FirstOrDefault();

Syntax\SyntaxNodeTests.cs (25)

Microsoft.CodeAnalysis.CSharp.Test.Utilities (2)

Extensions.cs (1)

400select a).ToList().FirstOrDefault() != null;

SemanticModelTestBase.cs (1)

111return (ConstructorInitializerSyntax)constructorInitializers.FirstOrDefault();

Microsoft.CodeAnalysis.CSharp.Workspaces (9)

Simplification\CSharpSimplificationService.Expander.cs (1)

789var invocationExpression = originalSimpleName.Ancestors().OfType<InvocationExpressionSyntax>().FirstOrDefault();

Simplification\Reducers\CSharpEscapingReducer.cs (2)

55var enclosingLambdaExpression = parent.GetAncestorsOrThis(n => (n is SimpleLambdaExpressionSyntax or ParenthesizedLambdaExpressionSyntax)).FirstOrDefault(); 75var enclosingMethodBlock = parent.GetAncestorsOrThis(n => n is MethodDeclarationSyntax).FirstOrDefault();

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

49var nextChar = tokenAfterParen.Text.FirstOrDefault();

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

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

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

95var enumDecl = namedTypeSymbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).OfType<EnumDeclarationSyntax>().FirstOrDefault();

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

212var implementation = implementations.FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Workspace\CSharp\LanguageServices\CSharpTypeInferenceService.TypeInferrer.cs (1)

1558var patternType = GetPatternTypes(subPattern.Pattern).FirstOrDefault();

Microsoft.CodeAnalysis.EditorFeatures (6)

CodeActions\CodeActionEditHandlerService.cs (3)

180var updatedSolution = operations.OfType<ApplyChangesOperation>().FirstOrDefault()?.ChangedSolution ?? oldSolution; 296var navigationOperation = operations.OfType<DocumentNavigationOperation>().FirstOrDefault(); 305var renameOperation = operations.OfType<StartInlineRenameSessionOperation>().FirstOrDefault();

InlineRename\InlineRenameSession.OpenTextBufferManager.cs (2)

93return _textViews.FirstOrDefault(); 679var ss = textView.GetSpanInView(kvp.Value.TrackingSpan.GetSpan(snapshot)).FirstOrDefault();

Structure\AbstractStructureTaggerProvider.cs (1)

60var openDocument = subjectBuffer.AsTextContainer().GetRelatedDocuments().FirstOrDefault();

Microsoft.CodeAnalysis.EditorFeatures.Test.Utilities (1)

BraceHighlighting\AbstractBraceHighlightingTests.cs (1)

45var document = buffer.CurrentSnapshot.GetRelatedDocumentsWithChanges().FirstOrDefault();

Microsoft.CodeAnalysis.EditorFeatures.UnitTests (5)

CodeGeneration\CodeGenerationTests.cs (1)

911.Where(s => s != null).FirstOrDefault() as T;

Diagnostics\DiagnosticAnalyzerServiceTests.cs (1)

451var firstAdditionalDocument = project.AdditionalDocuments.FirstOrDefault();

MetadataAsSource\AbstractMetadataAsSourceTests.TestContext.cs (1)

214.FirstOrDefault();

TextEditor\TryGetDocumentTests.cs (1)

36var newDocument = buffer.CurrentSnapshot.GetRelatedDocumentsWithChanges().FirstOrDefault();

Utilities\SymbolEquivalenceComparerTests.cs (1)

1891var invocation = method_root.DescendantNodes().OfType<TInvocation>().FirstOrDefault();

Microsoft.CodeAnalysis.EditorFeatures.Wpf (2)

SignatureHelp\SignatureHelpControllerProvider.cs (1)

38private readonly IIntelliSensePresenter<ISignatureHelpPresenterSession, ISignatureHelpSession> _signatureHelpPresenter = ExtensionOrderer.Order(signatureHelpPresenters).Select(lazy => lazy.Value).FirstOrDefault();

Utilities\BrushToColorConverter.cs (1)

18GradientBrush gradientBrush => gradientBrush.GradientStops.FirstOrDefault()?.Color ?? Colors.Transparent,

Microsoft.CodeAnalysis.ExpressionEvaluator.ResultProvider.Utilities (2)

Debugger\Engine\DkmClrType.cs (2)

157var proxyAttribute = _lazyEvalAttributes.Value.OfType<DkmClrDebuggerTypeProxyAttribute>().FirstOrDefault(); 171var attribute = (DebuggerTypeProxyAttribute)type.GetCustomAttributes(typeof(DebuggerTypeProxyAttribute), inherit: false).FirstOrDefault();

Microsoft.CodeAnalysis.ExternalAccess.Xaml (1)

Internal\DescriptionService.cs (1)

54var codeDocument = project.Documents.FirstOrDefault();

Microsoft.CodeAnalysis.Features (18)

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

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

CodeRefactorings\AddAwait\AbstractAddAwaitCodeRefactoringProvider.cs (1)

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

Completion\Providers\AbstractMemberInsertingCompletionProvider.cs (1)

48var caretTarget = newRoot.GetAnnotatedNodes(_annotation).FirstOrDefault();

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

251var declaredReceiverTypeInOriginatingCompilation = SymbolFinder.FindSimilarSymbols(declaredReceiverType, _originatingSemanticModel.Compilation, cancellationToken).FirstOrDefault(); 275foreach (var methodInOriginatingCompilation in methodSymbols.Select(s => SymbolFinder.FindSimilarSymbols(s, _originatingSemanticModel.Compilation).FirstOrDefault()).WhereNotNull())

ConvertForToForEach\AbstractConvertForToForEachCodeRefactoringProvider.cs (1)

241return TryFindMembersInThisOrBaseTypes<TSymbol>(containingType, type, memberName).FirstOrDefault();

ExtractMethod\AbstractSyntaxTriviaService.Result.cs (1)

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

ExtractMethod\MethodExtractor.TriviaResult.cs (2)

111var trivia = list.FirstOrDefault(); 118trivia = listWithoutHead.FirstOrDefault();

GenerateConstructorFromMembers\AbstractGenerateConstructorFromMembersCodeRefactoringProvider.State.cs (1)

111return q.FirstOrDefault();

IntroduceVariable\AbstractIntroduceVariableService.cs (1)

149var block = blocks.FirstOrDefault();

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

160var interpolatedStringOperation = AncestorsAndSelf(operation).OfType<IInterpolatedStringOperation>().FirstOrDefault();

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

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

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

83var summaryNode = GetElementNodes(newDocComment, "summary").FirstOrDefault(); 103var nodeAfterNewParamNode = paramNodes.FirstOrDefault() ?? newDocComment.ChildNodes().First();

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

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

321constraints.OfType<INamedTypeSymbol>().FirstOrDefault() ??

SyncNamespaces\AbstractSyncNamespacesService.cs (1)

106.FirstOrDefault();

Microsoft.CodeAnalysis.LanguageServer (1)

ExportProviderBuilder.cs (1)

88var erroredParts = configuration.CompositionErrors.FirstOrDefault()?.SelectMany(error => error.Parts).Select(part => part.Definition.Type.Name) ?? Enumerable.Empty<string>();

Microsoft.CodeAnalysis.LanguageServer.Protocol (2)

ExternalAccess\Razor\FormatNewFileHandler.cs (1)

72var hintDocument = project.Documents.FirstOrDefault();

Features\CodeFixes\CodeFixService.cs (1)

810var fixer = lazyConfigurationProviders.Value.OfType<AbstractSuppressionCodeFixProvider>().FirstOrDefault();

Microsoft.CodeAnalysis.Rebuild (1)

CompilationFactory.cs (1)

185return methodSymbols.FirstOrDefault();

Microsoft.CodeAnalysis.Scripting (3)

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

363var browsable = (DebuggerBrowsableAttribute)member.GetCustomAttributes(typeof(DebuggerBrowsableAttribute), false).FirstOrDefault();

Hosting\ObjectFormatter\ObjectFormatterHelpers.cs (2)

50var result = member.GetCustomAttributes<DebuggerDisplayAttribute>().FirstOrDefault(); 74var result = type.GetCustomAttributes<DebuggerTypeProxyAttribute>().FirstOrDefault();

Microsoft.CodeAnalysis.UnitTests (1)

Diagnostics\SuppressMessageTargetSymbolResolverTests.cs (1)

1406var symbol = q.FirstOrDefault();

Microsoft.CodeAnalysis.VisualBasic.Syntax.UnitTests (4)

Syntax\SyntaxAnnotationTests.vb (4)

90Dim toTrivia = GetAllTrivia(tree.GetRoot()).FirstOrDefault() 99Dim fromTrivia = GetAllTrivia(tree.GetRoot()).FirstOrDefault() 107Dim fromTrivia = GetAllTrivia(tree.GetRoot()).FirstOrDefault() 108Dim toTrivia = GetAllTrivia(tree.GetRoot()).FirstOrDefault()

Microsoft.CodeAnalysis.Workspaces (34)

CodeCleanup\AbstractCodeCleanerService.cs (2)

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

Diagnostics\Extensions.cs (1)

381var suppressionAnalyzer = hostAnalyzers.OfType<IPragmaSuppressionsAnalyzer>().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)

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

Rename\ConflictEngine\ConflictResolver.cs (2)

101var renameSymbolDeclarationLocation = renameLocations.Symbol.Locations.Where(loc => loc.IsInSource).FirstOrDefault(); 415return orderedLocations.FirstOrDefault();

Shared\Extensions\ILanguageMetadataExtensions.cs (1)

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

Shared\Extensions\ISymbolExtensions.cs (1)

479return baseType.Constructors.Where(c => IsSameSignature(methodSymbol, c)).FirstOrDefault();

Shared\Extensions\ITypeSymbolExtensions.cs (3)

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

src\Compilers\Core\Portable\InternalUtilities\EnumerableExtensions.cs (1)

214return source.Cast<T?>().FirstOrDefault();

src\Workspaces\SharedUtilitiesAndExtensions\Compiler\Core\EditorConfig\Parsing\EditorConfigFile.cs (2)

49.FirstOrDefault(); 87.FirstOrDefault();

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

542var declarationSyntax = symbol.DeclaringSyntaxReferences.Select(r => r.GetSyntax()).FirstOrDefault();

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

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

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

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

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

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

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

70.FirstOrDefault();

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

376var field = members.OfType<IFieldSymbol>().FirstOrDefault();

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

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

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

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

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

214return existingMethods.FirstOrDefault();

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

179fallbackNode = contextSpine.OfType<TNamespaceDeclarationSyntax>().FirstOrDefault();

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

67var annotation1 = expression.GetAnnotations(SymbolAnnotation.Kind).FirstOrDefault(); 75var annotation2 = expression.GetAnnotations(SpecialTypeAnnotation.Kind).FirstOrDefault();

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

327var entry = _documentPathsToDocumentIds.Where(kv => kv.Value == documentId).FirstOrDefault();

Workspace\Workspace_Editor.cs (1)

282return _bufferToAssociatedDocumentsMap.Where(kvp => kvp.Value.Contains(documentId)).Select(kvp => kvp.Key).FirstOrDefault();

Microsoft.CodeAnalysis.Workspaces.MSBuild.BuildHost (3)

BuildHost.cs (1)

57instance = MSBuildLocator.QueryVisualStudioInstances().OrderByDescending(vs => vs.Version).FirstOrDefault();

MSBuild\ProjectFile\ProjectFile.cs (1)

139var intermediateOutputFilePath = project.GetItems(ItemNames.IntermediateAssembly).FirstOrDefault()?.EvaluatedInclude;

src\Compilers\Core\Portable\InternalUtilities\EnumerableExtensions.cs (1)

214return source.Cast<T?>().FirstOrDefault();

Microsoft.CodeAnalysis.Workspaces.MSBuild.UnitTests (20)

MSBuildWorkspaceTestBase.cs (2)

79var project = sol.GetProjectsByName("VisualBasicProject").FirstOrDefault(); 88var project = sol.GetProjectsByName("VisualBasicProject").FirstOrDefault();

SolutionGeneration.cs (1)

119var projectName = inputs.OfType<ProjectNameBuilder>().FirstOrDefault();

VisualStudioMSBuildWorkspaceTests.cs (17)

Microsoft.CodeAnalysis.Workspaces.UnitTests (6)

FindReferencesTests.cs (2)

183SyntaxNode declareMethod = tree.GetRoot().DescendantNodes().OfType<Microsoft.CodeAnalysis.VisualBasic.Syntax.DeclareStatementSyntax>().FirstOrDefault(); 222var propertyStatement = tree.GetRoot().DescendantNodes().OfType<Microsoft.CodeAnalysis.VisualBasic.Syntax.PropertyStatementSyntax>().FirstOrDefault();

SolutionTests\SolutionTests.cs (1)

2842Assert.Equal(project, solution.GetProjectsByName(project.Name).FirstOrDefault());

WorkspaceTests\AdhocWorkspaceTests.cs (3)

37Assert.Equal(project, ws.CurrentSolution.Projects.FirstOrDefault()); 49Assert.Same(project, ws.CurrentSolution.Projects.FirstOrDefault()); 98var project = solution.Projects.FirstOrDefault();

Microsoft.Data.Analysis.Tests (2)

DataFrameGroupByTests.cs (2)

29var oddGroup = grouping.Where(gr => gr.Key == "odd").FirstOrDefault(); 33var evenGroup = grouping.Where(gr => gr.Key == "even").FirstOrDefault();

Microsoft.DotNet.Arcade.Sdk (2)

src\GenerateResxSource.cs (1)

115string value = node.Elements("value").FirstOrDefault()?.Value.Trim();

src\InstallDotNetCore.cs (1)

115ProjectProperty property = properties[propertyName].FirstOrDefault();

Microsoft.DotNet.Arcade.Sdk.Tests (2)

SourceMappingToNugetConfigTest.cs (2)

57.FirstOrDefault(); 80.FirstOrDefault();

Microsoft.DotNet.Build.Tasks.Packaging (2)

GetMinimumNETStandard.cs (1)

34.FirstOrDefault();

NuGetUtility.cs (1)

86.FirstOrDefault();

Microsoft.DotNet.Build.Tasks.Workloads (1)

Swix\SwixComponent.cs (1)

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

Microsoft.DotNet.Build.Tasks.Workloads.Tests (13)

CreateVisualStudioWorkloadSetTests.cs (1)

68ITaskItem workloadSetSwixItem = createWorkloadSetTask.SwixProjects.Where(s => s.ItemSpec.Contains(@"Microsoft.NET.Workloads.9.0.100.9.0.100-baseline.1.23464.1\x64")).FirstOrDefault();

CreateVisualStudioWorkloadTests.cs (3)

76ITaskItem manifestMsiItem = createWorkloadTask.Msis.Where(m => m.ItemSpec.ToLowerInvariant().Contains("d96ba8044ad35589f97716ecbf2732fb-x64.msi")).FirstOrDefault(); 143ITaskItem pythonPackSwixItem = createWorkloadTask.SwixProjects.Where(s => s.ItemSpec.Contains(@"Microsoft.Emscripten.Python.6.0.4\x64")).FirstOrDefault(); 212ITaskItem manifestMsiItem = createWorkloadTask.Msis.Where(m => m.ItemSpec.ToLowerInvariant().Contains("d96ba8044ad35589f97716ecbf2732fb-arm64.msi")).FirstOrDefault();

MsiTests.cs (1)

137FileRow fileRow = MsiUtils.GetAllFiles(msiPath).FirstOrDefault();

SwixComponentTests.cs (8)

Microsoft.DotNet.Helix.Sdk (1)

DownloadFromResultsContainer.cs (1)

91var fileAvailableForDownload = allAvailableFiles.Where(f => f.Name == file || f.Name.Replace('\\', '/') == file).FirstOrDefault();

Microsoft.DotNet.PackageTesting (1)

GetCompatiblePackageTargetFrameworks.cs (1)

37.FirstOrDefault()?

Microsoft.DotNet.RemoteExecutor (3)

RemoteExecutor.cs (2)

652.FirstOrDefault(); 657.FirstOrDefault();

RemoteInvokeHandle.cs (1)

186ClrRuntime runtime = dt.ClrVersions.FirstOrDefault()?.CreateRuntime();

Microsoft.DotNet.SignCheckLibrary (1)

Verification\VsixVerifier.cs (1)

54XmlNode encodedTimeNode = element.SelectNodes("//ds:TimeStamp/ds:EncodedTime", namespaceManager).OfType<XmlNode>().FirstOrDefault();

Microsoft.DotNet.SignTool (4)

src\Configuration.cs (4)

340signInfo = signInfos.Where(s => s.CollisionPriorityId == collisionPriorityId).FirstOrDefault(); 345signInfo = signInfos.FirstOrDefault(); 367pktBasedSignInfo = pktBasedSignInfos.Where(s => s.CollisionPriorityId == collisionPriorityId).FirstOrDefault(); 371pktBasedSignInfo = pktBasedSignInfos.FirstOrDefault();

Microsoft.DotNet.SourceBuild.Tasks (2)

src\UsageReport\Usage.cs (1)

63.FirstOrDefault()

src\UsageReport\WriteUsageReports.cs (1)

187.Elements().Skip(1).FirstOrDefault()

Microsoft.DotNet.SwaggerGenerator.CodeGenerator (4)

Modeler\ServiceClientModelFactory.cs (4)

126.ToLookup(t => t.operation.Tags.FirstOrDefault()?.Name) 132document.Servers?.FirstOrDefault()?.Url, 154string firstTag = operation.Tags.FirstOrDefault()?.Name; 179var selectedResponse = operation.Responses.Where(r => r.Key.StartsWith("2")).Select(p => p.Value).FirstOrDefault();

Microsoft.DotNet.VersionTools (2)

BuildInfo.cs (1)

217versions.FirstOrDefault()?.ToNormalizedString();

Dependencies\BuildManifest\OrchestratedBuildIdentityMatch.cs (1)

31return matches.FirstOrDefault();

Microsoft.DotNet.XliffTasks (5)

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)

Microsoft.DotNet.XUnitExtensions (4)

Discoverers\ConditionalTestDiscoverer.cs (1)

55ITypeInfo type = testMethod.TestClass.Class.Assembly.GetTypes(false).Where(t => t.Name.Contains(symbols[0])).FirstOrDefault();

Discoverers\SkipOnPlatformDiscoverer.cs (1)

20if (traitAttribute.GetConstructorArguments().FirstOrDefault() is TestPlatforms tp)

SkippedTestMessageBus.cs (2)

37var exceptionType = testFailed.ExceptionTypes.FirstOrDefault(); 41return innerBus.QueueMessage(new TestSkipped(testFailed.Test, testFailed.Messages.FirstOrDefault()));

Microsoft.Extensions.AI (1)

Embeddings\OpenTelemetryEmbeddingGenerator.cs (1)

160responseModelId = embeddings.FirstOrDefault()?.ModelId;

Microsoft.Extensions.AI.Abstractions (5)

ChatCompletion\ChatMessage.cs (2)

63get => Contents.OfType<TextContent>().FirstOrDefault()?.Text; 66if (Contents.OfType<TextContent>().FirstOrDefault() is { } textContent)

ChatCompletion\StreamingChatCompletionUpdate.cs (2)

48get => Contents.OfType<TextContent>().FirstOrDefault()?.Text; 51if (Contents.OfType<TextContent>().FirstOrDefault() is { } textContent)

Utilities\AIJsonUtilities.Schema.cs (1)

428(TAttribute?)provider?.GetCustomAttributes(typeof(TAttribute), inherit: false).FirstOrDefault();

Microsoft.Extensions.AI.Abstractions.Tests (1)

test\Shared\JsonSchemaExporter\TestTypes.cs (1)

1289(TAttribute?)provider?.GetCustomAttributes(typeof(TAttribute), inherit: false).FirstOrDefault();

Microsoft.Gen.Logging (1)

Parsing\Parser.cs (1)

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

Microsoft.ML.AutoML (1)

PipelineSuggesters\PipelineSuggester.cs (1)

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

Microsoft.ML.CodeGenerator (4)

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(),

Microsoft.ML.Core (8)

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()

Microsoft.ML.Data (4)

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()

Microsoft.ML.EntryPoints (8)

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()

Microsoft.ML.FastTree (1)

FastTree.cs (1)

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

Microsoft.ML.TestFramework (2)

TestCommandBase.cs (2)

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

Microsoft.ML.Tests (1)

OnnxSequenceTypeWithAttributesTest.cs (1)

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

Microsoft.ML.TimeSeries (1)

RootCauseAnalyzer.cs (1)

33return AnalyzeOneLayer(_src).FirstOrDefault();

Microsoft.TestUtilities (2)

XUnit\SkippedTestMessageBus.cs (2)

33var exceptionType = testFailed.ExceptionTypes.FirstOrDefault(); 37return _innerBus.QueueMessage(new TestSkipped(testFailed.Test, testFailed.Messages.FirstOrDefault()));

Microsoft.VisualStudio.LanguageServices (12)

CallHierarchy\CallHierarchyCommandHandler.cs (1)

55_presenter = presenters.FirstOrDefault();

Diagnostics\VisualStudioDiagnosticAnalyzerService.cs (1)

108var project = projectsWithHierarchy.FirstOrDefault();

GenerateType\GenerateTypeDialogViewModel.cs (1)

530this.SelectedDocument = _selectedProject.Documents.FirstOrDefault();

LanguageService\AbstractLanguageService`2.cs (1)

156var openDocument = wpfTextView.TextBuffer.AsTextContainer().GetRelatedDocuments().FirstOrDefault();

LanguageService\AbstractLanguageService`2.VsCodeWindowManager.cs (1)

81var document = textBuffer?.AsTextContainer()?.GetRelatedDocuments().FirstOrDefault();

Progression\GraphBuilder.cs (1)

215preferredLocation = newSymbol.Locations.Where(loc => loc.IsInSource).FirstOrDefault();

ProjectSystem\VisualStudioWorkspaceImpl.cs (1)

777if (folders.FirstOrDefault() == project.Name)

TaskList\ProjectExternalErrorReporter.cs (1)

135.FirstOrDefault();

Utilities\AutomationDelegatingListView.cs (1)

107textBlockItem = this.GetChildren()?.OfType<TextBlockAutomationPeer>().FirstOrDefault();

Venus\ContainedLanguageCodeSupport.cs (1)

270var memberNode = member.DeclaringSyntaxReferences.Select(r => r.GetSyntax(cancellationToken)).FirstOrDefault();

Workspace\VisualStudioSymbolNavigationService.cs (2)

62var sourceLocation = visibleSourceLocations.FirstOrDefault() ?? sourceLocations.FirstOrDefault(); 159var openedDocument = textBuffer?.AsTextContainer().GetRelatedDocuments().FirstOrDefault();

Microsoft.VisualStudio.LanguageServices.CSharp (2)

CodeModel\CSharpCodeModelService.cs (1)

3043var tree = compilation.SyntaxTrees.FirstOrDefault();

Snippets\CSharpSnippetExpansionLanguageHelper.cs (1)

136var candidateUsing = SyntaxFactory.ParseCompilationUnit("using " + namespaceToImport + ";").DescendantNodes().OfType<UsingDirectiveSyntax>().FirstOrDefault();

Microsoft.VisualStudio.LanguageServices.Xaml (2)

Implementation\LanguageServer\Extensions\SymbolExtensions.cs (1)

42var codeDocument = codeProject.Documents.FirstOrDefault();

Implementation\LanguageServer\Handler\Completion\CompletionHandler.cs (1)

68var completionResult = await completionService.GetCompletionsAsync(new XamlCompletionContext(document, offset, request.Context?.TriggerCharacter?.FirstOrDefault() ?? '\0'), cancellationToken: cancellationToken).ConfigureAwait(false);

MSBuild (1)

XMake.cs (1)

2665getResultOutputFile = commandLineSwitches[CommandLineSwitches.ParameterizedSwitch.GetResultOutputFile].FirstOrDefault() ?? string.Empty;

Mvc.RoutingWebSite (1)

StartupForRouteGroupsWithMetadata.cs (1)

22var old = builder.PartManager.FeatureProviders.OfType<IApplicationFeatureProvider<ControllerFeature>>().FirstOrDefault();

RunTests (1)

TestHistoryManager.cs (1)

158return builds?.FirstOrDefault();

ServerComparison.FunctionalTests (2)

ResponseCompressionTests.cs (1)

221return response.Content.Headers.TryGetValues(HeaderNames.ContentLength, out var values) ? values.FirstOrDefault() : null;

ResponseTests.cs (1)

270return response.Content.Headers.TryGetValues(HeaderNames.ContentLength, out values) ? values.FirstOrDefault() : null;

Shared.Tests (1)

JsonSchemaExporter\TestTypes.cs (1)

1289(TAttribute?)provider?.GetCustomAttributes(typeof(TAttribute), inherit: false).FirstOrDefault();

StaticFilesAuth (1)

Startup.cs (1)

40userName = userName?.Split('@').FirstOrDefault();

Swaggatherer (1)

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

25return Values.FirstOrDefault();

System.ComponentModel.Annotations (1)

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

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

System.ComponentModel.Composition (2)

Microsoft\Internal\AttributeServices.cs (2)

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

System.ComponentModel.Composition.Registration (10)

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

System.Composition.Convention (11)

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

System.Linq.Parallel (1)

System\Linq\ParallelEnumerable.cs (1)

5494settings.CancellationState).FirstOrDefault();

System.Private.DataContractSerialization (3)

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

996Type? t = type.GetInterfaces().Where(it => it.Equals(interfaceType)).FirstOrDefault(); 1293Type? t = type.GetInterfaces().Where(it => it.Equals(interfaceType)).FirstOrDefault(); 1350interfaceType.GetInterfaces().Where(t => t.FullName!.StartsWith("System.Collections.Generic.IEnumerable")).FirstOrDefault() ??

System.Private.Windows.Core.TestUtilities (1)

XUnit\SkipOnArchitectureDiscoverer.cs (1)

26if (traitAttribute.GetConstructorArguments().FirstOrDefault() is TestArchitectures architectures)

System.Private.Xml.Linq (1)

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

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

System.Security.Cryptography.Pkcs (1)

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

716X509ChainStatus status = chain.ChainStatus.FirstOrDefault();

System.ServiceModel.Federation.Tests (1)

WSTrustChannelSecurityTokenProviderTest.cs (1)

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

System.Text.RegularExpressions.Generator (2)

UpgradeToGeneratedRegexCodeFixer.cs (2)

102SyntaxNode? typeDeclarationOrCompilationUnit = nodeToFix.Ancestors().OfType<TypeDeclarationSyntax>().FirstOrDefault(); 148nodeToFix.Ancestors().OfType<TypeDeclarationSyntax>().FirstOrDefault() :

System.Windows.Forms (1)

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

1448if (controlType.GetCustomAttributes<ComSourceInterfacesAttribute>(inherit: false).FirstOrDefault()

System.Windows.Forms.Analyzers.CodeFixes.CSharp (2)

System\Windows\Forms\CSharp\CodeFixes\AddDesignerSerializationVisibility\AddDesignerSerializationVisibilityCodeFixProvider.cs (2)

112.FirstOrDefault() is not null; 127.FirstOrDefault()

System.Windows.Forms.Primitives.TestUtilities (1)

NoAssertContext.cs (1)

52if (Trace.Listeners.OfType<ThrowingTraceListener>().FirstOrDefault() is { } throwingTraceListener)

System.Windows.Forms.Tests (3)

System\Windows\Forms\MonthCalendarTests.cs (1)

4654cal => cal.MonthlyBoldedDates.FirstOrDefault(),

System\Windows\Forms\TreeNodeTests.cs (2)

109Assert.Same(children.FirstOrDefault(), node.FirstNode); 200Assert.Same(children.FirstOrDefault(), node.FirstNode);

TaskUsageLogger (2)

TaskUsageLogger.cs (2)

341UsingTaskData matchingData = usingTasks.Where(ut => IsPartialNameMatch(taskName, ut.TaskName)).FirstOrDefault(); 359matchingData = defaultUsingTasks.Where(ut => IsPartialNameMatch(taskName, ut.TaskName)).FirstOrDefault();

Templates.Blazor.Tests (3)

src\ProjectTemplates\Shared\Project.cs (2)

271var file = Directory.EnumerateFiles(fullPath).Where(f => f.EndsWith($"{migration}.cs", StringComparison.Ordinal)).FirstOrDefault(); 355var projectFile = Directory.EnumerateFiles(TemplateOutputDir, "*proj").FirstOrDefault();

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

25return Values.FirstOrDefault();

Templates.Blazor.WebAssembly.Auth.Tests (3)

src\ProjectTemplates\Shared\Project.cs (2)

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

25return Values.FirstOrDefault();

Templates.Blazor.WebAssembly.Tests (3)

src\ProjectTemplates\Shared\Project.cs (2)

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

25return Values.FirstOrDefault();

Templates.Mvc.Tests (3)

src\ProjectTemplates\Shared\Project.cs (2)

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

25return Values.FirstOrDefault();

Templates.Tests (3)

src\ProjectTemplates\Shared\Project.cs (2)

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

25return Values.FirstOrDefault();

Wasm.Performance.ConsoleHost (1)

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

25return Values.FirstOrDefault();

xunit.assert (1)

Sdk\ArgumentFormatter.cs (1)

591 select @interface.GetTypeInfo()).FirstOrDefault()?.GenericTypeArguments[0];