FileMode

docs\samples\Microsoft.ML.Samples\Dynamic\Trainers\MulticlassClassification\ImageClassification\LearningRateSchedulingCifarResnetTransferLearning.cs (1)

308using (var fs = new FileStream(relativeFilePath, FileMode.CreateNew))

docs\samples\Microsoft.ML.Samples\Dynamic\Trainers\MulticlassClassification\ImageClassification\ResnetV2101TransferLearningEarlyStopping.cs (1)

264using (var fs = new FileStream(relativeFilePath, FileMode.CreateNew))

docs\samples\Microsoft.ML.Samples\Dynamic\Trainers\MulticlassClassification\ImageClassification\ResnetV2101TransferLearningTrainTestSplit.cs (1)

285using (var fs = new FileStream(relativeFilePath, FileMode.CreateNew))

SamplesDatasetUtils.cs (1)

199using (var fs = new FileStream(dataFile, FileMode.CreateNew))

TensorflowTransform.cs (2)

172using (var fs = new FileStream(fullFilePath, FileMode.Create, FileAccess.Write)) 484using (var fs = new FileStream(fullPath, FileMode.Open))

BaseTestBaseline.cs (3)

1002return Utils.OpenWriter(File.Open(path, append ? FileMode.Append : FileMode.OpenOrCreate), encoding, bufferSize, false); 1014return new StreamReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read));

ImagesTests.cs (4)

1235using FileStream imageStream = new FileStream(dataFile, FileMode.Open, FileAccess.Read, FileShare.Read); 1336FileStream stream = new FileStream(imageFile, FileMode.Open, FileAccess.Read, FileShare.Read); 1343stream = new FileStream(imageFile, FileMode.Open, FileAccess.Read, FileShare.None); 1352stream = new FileStream(imageFile, FileMode.Open, FileAccess.Read, FileShare.Read);

OnnxConversionTest.cs (5)

1780using (FileStream stream = new FileStream(mappedDataPath, FileMode.Create)) 1795using (FileStream stream = new FileStream(onnxModelPath, FileMode.Create)) 1817using (FileStream stream = new FileStream(onnxModelPath2, FileMode.Create)) 2035using (FileStream stream = new FileStream(onnxModelPath, FileMode.Create)) 2048using (FileStream stream = new FileStream(onnxModelPath, FileMode.Create))

SvmLightTests.cs (4)

510using (var stream = new FileStream(path, FileMode.Create)) 518using (var stream = new FileStream(path, FileMode.Create)) 526using (var stream = new FileStream(path, FileMode.Create)) 534using (var stream = new FileStream(path, FileMode.Create))

TrainerEstimators\TreeEstimators.cs (1)

326using (var fStream = new FileStream(modelPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))

DnnRetrainTransform.cs (2)

137using (var fs = new FileStream(fullFilePath, FileMode.Create, FileAccess.Write)) 718using (var fs = new FileStream(fullPath, FileMode.Open))

ImageClassificationTrainer.cs (6)

887using Stream featuresWriter = File.Open(cacheFilePath + "_features.bin", FileMode.Create); 888using Stream labelWriter = File.Open(cacheFilePath + "_labels.bin", FileMode.Create); 929using (Stream trainSetLabelReader = File.Open(trainBottleneckFilePath + "_labels.bin", FileMode.Open)) 930using (Stream trainSetFeatureReader = File.Open(trainBottleneckFilePath + "_features.bin", FileMode.Open)) 933File.Open(validationSetBottleneckFilePath + "_labels.bin", FileMode.Open) : null; 936File.Open(validationSetBottleneckFilePath + "_features.bin", FileMode.Open) : null;

Microsoft\VisualBasic\CompilerServices\VB6File.vb (2)

405m_file = New FileStream(m_sFullPath, FileMode.Open, CType(m_access, FileAccess), CType(m_share, FileShare)) 407m_file = New FileStream(m_sFullPath, FileMode.Create, CType(m_access, FileAccess), CType(m_share, FileShare))

Microsoft\VisualBasic\CompilerServices\VB6InputFile.vb (1)

35m_file = New FileStream(m_sFullPath, FileMode.Open, CType(m_access, FileAccess), CType(m_share, FileShare))

Microsoft\VisualBasic\CompilerServices\VB6OutputFile.vb (3)

43m_file = New FileStream(m_sFullPath, FileMode.Open, CType(m_access, FileAccess), CType(m_share, FileShare)) 45m_file = New FileStream(m_sFullPath, FileMode.Create, CType(m_access, FileAccess), CType(m_share, FileShare)) 48m_file = New FileStream(m_sFullPath, FileMode.Create, CType(m_access, FileAccess), CType(m_share, FileShare))

Microsoft\VisualBasic\CompilerServices\VB6RandomFile.vb (5)

33Private Sub OpenFileHelper(ByVal fm As FileMode, ByVal fa As OpenAccess) 58Dim fm As FileMode 63fm = FileMode.Open 65fm = FileMode.OpenOrCreate 67fm = FileMode.Create

Microsoft\VisualBasic\FileIO\FileSystem.vb (4)

747Dim IOFileMode As IO.FileMode 749IOFileMode = IO.FileMode.Append 751IOFileMode = IO.FileMode.Create ' CreateNew or Truncate. 1280FileStream = New IO.FileStream(FilePath, IO.FileMode.Open, IO.FileAccess.Read, IO.FileShare.ReadWrite)

Microsoft\VisualBasic\FileIO\TextFieldParser.vb (1)

555Dim fileStreamTemp As New FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)

Implementation\LanguageServer\Handler\Definitions\GoToDefinitionHandler.cs (1)

131using var fileStream = new FileStream(sourceDefinition.FilePath, FileMode.Open, FileAccess.Read);

CachingFileSystemWrapper.cs (1)

59public Stream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share)

FileUtilities.cs (5)

78using (new FileStream(pathWithUpperCase, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None, 0x1000, FileOptions.DeleteOnClose)) 1441FileMode mode = append ? FileMode.Append : FileMode.Create; 1456Stream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultFileStreamBufferSize, FileOptions.SequentialScan);

IFileSystem.cs (1)

27Stream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share);

ManagedFileSystem.cs (1)

44public Stream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share)

MSBuildOnWindowsFileSystem.cs (1)

31public Stream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share)

PerformanceLogEventListener.cs (1)

88FileMode.Create, // Create or overwrite.

FileSystem\MSBuildTaskHostFileSystem.cs (1)

51public Stream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share)

FileUtilities.cs (5)

78using (new FileStream(pathWithUpperCase, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None, 0x1000, FileOptions.DeleteOnClose)) 1441FileMode mode = append ? FileMode.Append : FileMode.Create; 1456Stream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultFileStreamBufferSize, FileOptions.SequentialScan);

IFileSystem.cs (1)

27Stream GetFileStream(string path, FileMode mode, FileAccess access, FileShare share);

src\libraries\shims\mscorlib\ref\mscorlib.cs (1)

324[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.IO.FileMode))]

netstandard.cs (1)

919[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.IO.FileMode))]

Microsoft\Build\Tasks\Windows\MergeLocalizationDirectives.cs (1)

61new FileStream(absoluteFilePath, FileMode.Create),

Microsoft\Build\Tasks\Windows\ResourcesGenerator.cs (1)

47_sourceStream = new FileStream(_sourcePath, FileMode.Open, FileAccess.Read, FileShare.Read);

Microsoft\Build\Tasks\Windows\UidManager.cs (2)

244using (Stream uidStream = new FileStream(tempFile, FileMode.Create)) 298using (Stream uidStream = new FileStream(tempFile, FileMode.Create))

MS\Internal\MarkupCompiler\MarkupCompiler.cs (1)

1297using (FileStream bamlFileStream = new FileStream(filepath, FileMode.Create, FileAccess.Write))

MS\Internal\AppModel\SiteOfOriginPart.cs (1)

45protected override Stream GetStreamCore(FileMode mode, FileAccess access)

MS\Internal\IO\Packaging\ByteRangeDownloader.cs (1)

60_tempFileStream = File.Open(tempFileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);

src\Microsoft.DotNet.Wpf\src\Shared\System\IO\FileHelper.cs (1)

127stream = new FileStream(path, FileMode.CreateNew, fileAccess, FileShare.None, DefaultBufferSize, fileOptions);

System\IO\Packaging\PackWebResponse.cs (2)

237Stream s = p.GetSeekableStream(FileMode.Open, FileAccess.Read); 631Stream s = p.GetSeekableStream(FileMode.Open, FileAccess.Read);

System\Windows\Input\Cursor.cs (1)

222using (FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Write, FileShare.None))

System\Windows\Media\Imaging\BitmapDecoder.cs (3)

1041bitmapStream = new System.IO.FileStream(uri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read); 1071bitmapStream = new System.IO.FileStream(uri.OriginalString, FileMode.Open, FileAccess.Read, FileShare.Read); 1220return new System.IO.FileStream(uri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read);

Microsoft\Win32\OpenFileDialog.cs (2)

74return new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read); 107streams[i] = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);

Microsoft\Win32\SaveFileDialog.cs (1)

76return new FileStream(filename, FileMode.Create, FileAccess.ReadWrite);

MS\Internal\AppModel\ContentFilePart.cs (2)

46protected override Stream GetStreamCore(FileMode mode, FileAccess access) 123return System.IO.File.Open(filename, FileMode.Open, FileAccess.Read, ResourceContainer.FileShare);

MS\Internal\AppModel\ResourcePart.cs (1)

47protected override Stream GetStreamCore(FileMode mode, FileAccess access)

MS\Internal\IO\Packaging\XpsFilter.cs (3)

352FileMode fileMode; 369fileMode = FileMode.Open; 635FileMode fileMode,

System\Windows\Controls\VirtualizingStackPanel.cs (1)

12581_writer = new BinaryWriter(File.Open(filename, FileMode.Create));

System\Windows\Documents\TextStore.cs (1)

5053_writer = new BinaryWriter(File.Open(filename, FileMode.Create));

System\Windows\Documents\WinRTSpellerInterop.cs (2)

441using (FileStream stream = new FileStream(lexiconFilePath, FileMode.Open, FileAccess.Read)) 610using (FileStream sourceStream = new FileStream(sourcePath, FileMode.Open, FileAccess.Read))

System\Windows\Documents\WpfPayload.cs (3)

717_package = Package.Open(stream, FileMode.Create, FileAccess.ReadWrite); 739Package package = Package.Open(stream, FileMode.Create, FileAccess.ReadWrite); 760Package package = Package.Open(stream, FileMode.Open, FileAccess.Read);

System\Windows\Markup\Baml2006\Baml2006Reader.cs (1)

51var stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);

MS\Internal\Documents\Application\DocumentStream.cs (9)

132FileMode.Open, 142FileMode.Create, 161FileMode.Open, 268FileMode.Open, 362FileMode.OpenOrCreate, 424FileMode.Open, 455FileMode.Open, 593FileMode.Open, 746FileMode.Create,

MS\Internal\Documents\Application\TransactionalPackage.cs (5)

88workspace, FileMode.Create, FileAccess.ReadWrite); 107target, FileMode.Open, FileAccess.ReadWrite); 151Package newPackage = Package.Open(newOriginal, FileMode.Open, FileAccess.Read); 477Stream source = original.GetStream(FileMode.Open, FileAccess.Read); 478Stream target = copy.GetStream(FileMode.Create, FileAccess.ReadWrite);

MS\Internal\Documents\Application\WriteableOnDemandPackagePart.cs (3)

140System.IO.FileMode mode, 153_activePart.GetStream(FileMode.Open, FileAccess.Read), 178FileMode mode,

MS\Internal\Documents\Application\WriteableOnDemandStream.cs (3)

50FileMode mode, 225FileMode mode, 325private FileMode _mode;

AlphaFlattener\Flattener.cs (1)

456FileStream stream = new FileStream(filename, FileMode.Create, FileAccess.ReadWrite);

Packaging\PartEditor.cs (4)

73_partDataStream = _metroPart.GetStream(FileMode.Create); 77_partDataStream = _metroPart.GetStream(FileMode.OpenOrCreate); 231Stream stream = MetroPart.GetStream(FileMode.Open); 249Stream stream = MetroPart.GetStream(FileMode.Create);

Packaging\XpsDocument.cs (2)

310using (Stream stream = part.GetStream(FileMode.Open, FileAccess.Read)) 878FileMode.CreateNew,

Packaging\XpsFixedDocumentReaderWriter.cs (3)

942using (Stream stream = _metroPart.GetStream(FileMode.Open)) 1068using (XmlTextReader reader = new XmlTextReader(sigDefPart.GetStream(FileMode.Open))) 1121using (Stream stream = sigDefPart.GetStream(FileMode.Create))

Packaging\XpsFixedDocumentSequenceReaderWriter.cs (1)

541using (Stream stream = _metroPart.GetStream(FileMode.Open))

Packaging\XpsManager.cs (6)

133FileMode.Create, 141(packageAccess== FileAccess.Read) ? FileMode.Open: FileMode.OpenOrCreate, 461partDataStream = printTicketPart.GetStream(FileMode.Create); 465partDataStream = printTicketPart.GetStream(FileMode.OpenOrCreate); 508Stream stream = printTicketPart.GetStream(FileMode.Create);

Serialization\VisualTreeFlattener.cs (1)

145Stream bitmapStreamDest = new System.IO.FileStream(uri, FileMode.Create, FileAccess.ReadWrite, FileShare.None);

SerializerFactory\XpsSerializerWriter.cs (1)

39_package = Package.Open(stream,FileMode.Create,FileAccess.ReadWrite);

Replay.cs (1)

138using var stream = new FileStream(binlogPath, FileMode.Open, FileAccess.Read, FileShare.Read);

src\Compilers\Core\CommandLine\CompilerServerLogger.cs (1)

133_loggingStream = new FileStream(loggingFilePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite);

src\Compilers\Shared\BuildServerConnection.cs (2)

685return new FileStream(GuardPath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); 712stream = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);

Microsoft\CSharp\CSharpCodeGenerator.cs (2)

3023using (var fs = new FileStream(filenames[i], FileMode.Create, FileAccess.Write, FileShare.Read)) 3058using (var fs = new FileStream(name, FileMode.Create, FileAccess.Write, FileShare.Read))

src\libraries\Common\src\System\IO\TempFileCollection.cs (1)

139new FileStream(tempFileName, FileMode.CreateNew, FileAccess.Write).Dispose();

System\CodeDom\Compiler\CodeCompiler.cs (3)

147using (var fs = new FileStream(filenames[i], FileMode.Create, FileAccess.Write, FileShare.Read)) 188using (var fs = new FileStream(responseFileName, FileMode.Create, FileAccess.Write, FileShare.Read)) 208using (var fs = new FileStream(name, FileMode.Create, FileAccess.Write, FileShare.Read))

System\CodeDom\Compiler\Executor.cs (1)

16new FileStream(file, FileMode.CreateNew, FileAccess.Write, FileShare.Read | FileShare.Inheritable);

System\ComponentModel\LicFileLicenseProvider.cs (1)

87Stream licStream = new FileStream(licenseFile, FileMode.Open, FileAccess.Read, FileShare.Read);

src\libraries\Common\src\System\IO\TempFileCollection.cs (1)

139new FileStream(tempFileName, FileMode.CreateNew, FileAccess.Write).Dispose();

System\Configuration\AppSettingsSection.cs (1)

108using (Stream sourceFileStream = new FileStream(sourceFileFullPath, FileMode.Open, FileAccess.Read, FileShare.Read))

System\Configuration\Internal\InternalConfigHost.cs (2)

229: new FileStream(streamName, FileMode.Open, FileAccess.Read, FileShare.Read); 265stream = new FileStream(writeFileContext.TempNewFilename, FileMode.Create, FileAccess.Write, FileShare.Read);

System\Configuration\Internal\WriteFileContext.cs (2)

139FileMode.Open, 218FileMode.Open,

System\Data\DataSet.cs (1)

2873FileStream stream = new FileStream(fileName, FileMode.Open);

src\libraries\Common\src\Interop\Linux\procfs\Interop.ProcFsStat.TryReadStatusFile.cs (1)

148using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 1, useAsync: false);

System\Diagnostics\Process.Linux.cs (1)

275using (var fs = new FileStream(cmdLineFilePath, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 1, useAsync: false))

System\Diagnostics\StackTraceSymbols.cs (1)

233return new FileStream(path!, FileMode.Open, FileAccess.Read, FileShare.Read | FileShare.Delete);

System\Drawing\BitmapTests.cs (1)

1572using (FileStream stream = new(path, FileMode.Open))

System\Drawing\IconTests.cs (1)

365File.Open(bitmapUncPath, FileMode.Open, FileAccess.Read, FileShare.Read).Dispose();

System\Drawing\ImageConverterTests.cs (1)

50using FileStream fileStream = File.Open(path, FileMode.Open);

System\Formats\Tar\TarEntry.cs (1)

586Mode = FileMode.CreateNew,

System\Formats\Tar\TarFile.cs (3)

116using FileStream fs = new(destinationFileName, FileMode.CreateNew, FileAccess.Write); 366Mode = FileMode.CreateNew, 485Mode = FileMode.Open,

System\Formats\Tar\TarHelpers.Unix.cs (1)

28Mode = FileMode.CreateNew,

System\Formats\Tar\TarWriter.Unix.cs (1)

100entry._header._dataStream = new FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.Read, 4096, fileOptions);

System\IO\Compression\ZipFile.Create.cs (4)

468(FileMode fileMode, FileAccess access, FileShare fileShare) = mode switch 470ZipArchiveMode.Read => (FileMode.Open, FileAccess.Read, FileShare.Read), 471ZipArchiveMode.Create => (FileMode.CreateNew, FileAccess.Write, FileShare.None), 472ZipArchiveMode.Update => (FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None),

System\IO\Compression\ZipFileExtensions.ZipArchive.Create.cs (1)

107FileStream fs = new FileStream(sourceFileName, FileMode.Open, FileAccess.Read, FileShare.Read, ZipFile.FileStreamBufferSize, useAsync);

System\IO\Compression\ZipFileExtensions.ZipArchiveEntry.Extract.cs (2)

84Mode = overwrite ? FileMode.Create : FileMode.CreateNew,

artifacts\obj\System.IO.FileSystem.AccessControl\Debug\net10.0\System.IO.FileSystem.AccessControl.notsupported.cs (1)

12public static System.IO.FileStream Create(this System.IO.FileInfo fileInfo, System.IO.FileMode mode, System.Security.AccessControl.FileSystemRights rights, System.IO.FileShare share, int bufferSize, System.IO.FileOptions options, System.Security.AccessControl.FileSecurity? fileSecurity) { throw new System.PlatformNotSupportedException(System.SR.PlatformNotSupported_AccessControl); }

System.IO.FileSystem.Primitives.cs (1)

6[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.IO.FileMode))]

System\IO\IsolatedStorage\IsolatedStorageFile.cs (4)

211public IsolatedStorageFileStream OpenFile(string path, FileMode mode) 217public IsolatedStorageFileStream OpenFile(string path, FileMode mode, FileAccess access) 223public IsolatedStorageFileStream OpenFile(string path, FileMode mode, FileAccess access, FileShare share) 232return new IsolatedStorageFileStream(path, FileMode.Create, FileAccess.ReadWrite, FileShare.None, this);

System\IO\IsolatedStorage\IsolatedStorageFileStream.cs (17)

21public IsolatedStorageFileStream(string path, FileMode mode) 22: this(path, mode, (mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite), FileShare.None, null) 26public IsolatedStorageFileStream(string path, FileMode mode, IsolatedStorageFile? isf) 27: this(path, mode, (mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite), FileShare.None, isf) 31public IsolatedStorageFileStream(string path, FileMode mode, FileAccess access) 36public IsolatedStorageFileStream(string path, FileMode mode, FileAccess access, IsolatedStorageFile? isf) 41public IsolatedStorageFileStream(string path, FileMode mode, FileAccess access, FileShare share) 46public IsolatedStorageFileStream(string path, FileMode mode, FileAccess access, FileShare share, IsolatedStorageFile? isf) 51public IsolatedStorageFileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize) 56public IsolatedStorageFileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, IsolatedStorageFile? isf) 84private static InitializationData InitializeFileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, IsolatedStorageFile? isf) 104case FileMode.CreateNew: // Assume new file 105case FileMode.Create: // Check for New file & Unreserve 106case FileMode.OpenOrCreate: // Check for new file 107case FileMode.Truncate: // Unreserve old file size 108case FileMode.Append: // Check for new file 109case FileMode.Open: // Open existing, else exception

System\IO\MemoryMappedFiles\MemoryMappedFile.cs (11)

89return CreateFromFile(path, FileMode.Open, null, DefaultSize, MemoryMappedFileAccess.ReadWrite); 91public static MemoryMappedFile CreateFromFile(string path, FileMode mode) 96public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string? mapName) 101public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string? mapName, long capacity) 106public static MemoryMappedFile CreateFromFile(string path, FileMode mode, string? mapName, long capacity, 112if (mode == FileMode.Append) 116if (mode == FileMode.Truncate) 123FileMode.Open => true, // FileStream ctor will throw if the file doesn't exist 124FileMode.CreateNew => false, 129if (mode is not (FileMode.CreateNew or FileMode.Create)) // the file is brand new and it's empty

System\IO\MemoryMappedFiles\MemoryMappedFile.Unix.cs (1)

324SafeFileHandle fileHandle = File.OpenHandle(path, FileMode.CreateNew, TranslateProtectionsToFileAccess(protections), share);

System\IO\Packaging\InternalRelationshipCollection.cs (1)

227using (Stream s = part.GetStream(FileMode.Open, FileAccess.Read))

System\IO\Packaging\Package.cs (17)

108public static Package Open(string path, FileMode packageMode) 125public static Package Open(string path, FileMode packageMode, FileAccess packageAccess) 162public static Package Open(Stream stream, FileMode packageMode) 820internal static void ThrowIfFileModeInvalid(FileMode mode) 823if (mode < FileMode.CreateNew || mode > FileMode.Append) 853FileMode packageMode, 862if (packageMode == FileMode.OpenOrCreate && packageAccess != FileAccess.ReadWrite) 864if (packageMode == FileMode.Open && packageAccess == FileAccess.Write) 866if (packageMode == FileMode.Truncate && packageAccess == FileAccess.Read) 868if (packageMode == FileMode.Truncate) 916public static Package Open(Stream stream, FileMode packageMode, FileAccess packageAccess) 1225private const FileMode s_defaultFileMode = FileMode.OpenOrCreate; 1229private const FileMode s_defaultStreamMode = FileMode.Open; 1233private FileMode _openFileMode;

System\IO\Packaging\PackagePart.cs (11)

268return GetStream(FileMode.OpenOrCreate, _container.FileOpenAccess); 287public Stream GetStream(FileMode mode) 311public Stream GetStream(FileMode mode, FileAccess access) 316if (mode == FileMode.CreateNew) 318if (mode == FileMode.Truncate) 354protected abstract Stream? GetStreamCore(FileMode mode, FileAccess access); 688private void ThrowIfOpenAccessModesAreIncompatible(FileMode mode, FileAccess access) 695(mode == FileMode.Create || mode == FileMode.CreateNew || mode == FileMode.Truncate || mode == FileMode.Append))

System\IO\Packaging\PartBasedPackageProperties.cs (2)

481using (Stream stream = part.GetStream(FileMode.Open, FileAccess.Read)) 685zipStream = _propertyPart.GetStream(FileMode.Create, FileAccess.Write);

System\IO\Packaging\ZipPackage.cs (9)

307internal ZipPackage(string path, FileMode packageFileMode, FileAccess packageFileAccess, FileShare share) 352internal ZipPackage(Stream s, FileMode packageFileMode, FileAccess packageFileAccess) 367case FileMode.Open: 374case FileMode.CreateNew: 381case FileMode.Create: 487internal FileMode PackageFileMode 712private readonly FileMode _packageFileMode; 768internal ContentTypeHelper(ZipArchive zipArchive, FileMode packageFileMode, FileAccess packageFileAccess, ZipStreamManager zipStreamManager, IgnoredItemHelper ignoredItemHelper) 1297private readonly FileMode _packageFileMode;

System\IO\Packaging\ZipPackagePart.cs (2)

24protected override Stream? GetStreamCore(FileMode streamFileMode, FileAccess streamFileAccess) 33if (streamFileMode == FileMode.Create && _zipArchiveEntry.Archive.Mode != ZipArchiveMode.Create)

System\IO\Packaging\ZipStreamManager.cs (2)

16private readonly FileMode _packageFileMode; 18public ZipStreamManager(ZipArchive zipArchive, FileMode packageFileMode, FileAccess packageFileAccess)

System\IO\Packaging\ZipWrappingStream.cs (2)

17private readonly FileMode _packageFileMode; 22public ZipWrappingStream(ZipArchiveEntry zipArchiveEntry, Stream stream, FileMode packageFileMode, FileAccess packageFileAccess, bool canRead, bool canWrite)

System\Net\Mail\Attachment.cs (2)

73Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read); 81Stream stream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);

System\Net\Mail\SmtpClient.cs (1)

384FileStream fileStream = new FileStream(pathAndFilename, FileMode.CreateNew);

System\Net\NetworkInformation\StringParsingHelpers.Misc.cs (1)

44return new StreamReader(new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 0x1000, useAsync: false));

src\libraries\Common\src\System\Net\Security\SslKeyLogger.cs (1)

29s_fileStream = File.Open(s_keyLogFile, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);

System\Net\FileWebRequest.cs (3)

148_stream = new WebFileStream(this, _uri.LocalPath, FileMode.Create, FileAccess.Write, FileShare.Read); 314public WebFileStream(FileWebRequest request, string path, FileMode mode, FileAccess access, FileShare sharing) : 320public WebFileStream(FileWebRequest request, string path, FileMode mode, FileAccess access, FileShare sharing, int length, bool async) :

System\Net\FileWebResponse.cs (1)

35_stream = new WebFileStream(request, uri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultFileStreamBufferSize, useAsync);

src\libraries\Common\src\System\Net\Security\SslKeyLogger.cs (1)

29s_fileStream = File.Open(s_keyLogFile, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);

System\Net\Sockets\Socket.cs (1)

3986private static SafeFileHandle? OpenFileHandle(string? name) => string.IsNullOrEmpty(name) ? null : File.OpenHandle(name, FileMode.Open, FileAccess.Read);

System\Net\Sockets\SocketAsyncEventArgs.Unix.cs (1)

259fileHandles[i] = File.OpenHandle(path, FileMode.Open, FileAccess.Read, FileShare.Read, FileOptions.Asynchronous);

System\Net\WebClient.cs (3)

333fs = new FileStream(fileName, FileMode.Create, FileAccess.Write); 492fs = new FileStream(fileName, FileMode.Open, FileAccess.Read); 1351fs = new FileStream(fileName, FileMode.Create, FileAccess.Write);

src\libraries\Common\src\Interop\Linux\procfs\Interop.ProcFsStat.TryReadStatusFile.cs (1)

148using var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 1, useAsync: false);

src\libraries\System.Private.CoreLib\src\Microsoft\Win32\SafeHandles\SafeFileHandle.Unix.cs (17)

179SafeFileHandle handle = Open(fullPath, FileMode.Open, FileAccess.Read, FileShare.Read, options, preallocationSize: 0, DefaultCreateMode, out fileLength, out filePermissions, false, out _, null); 184internal static SafeFileHandle Open(string fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, UnixFileMode? unixCreateMode = null, 190internal static SafeFileHandle? OpenNoFollowSymlink(string fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, out bool wasSymlink, UnixFileMode? unixCreateMode = null, 196private static SafeFileHandle Open(string fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, UnixFileMode openPermissions, 244private static Interop.Sys.OpenFlags PreOpenConfigurationFromOptions(FileMode mode, FileAccess access, FileShare share, FileOptions options, bool failForSymlink) 255case FileMode.Open: // Open maps to the default behavior for open(...). No flags needed. 257case FileMode.Truncate: 266case FileMode.Append: // Append is the same as OpenOrCreate, except that we'll also separately jump to the end later 267case FileMode.OpenOrCreate: 271case FileMode.Create: 279case FileMode.CreateNew: 321private bool Init(string path, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, 382share == FileShare.None && mode == FileMode.OpenOrCreate) 424if ((mode == FileMode.Create || mode == FileMode.Truncate) && !DisableFileLocking) 452Debug.Assert(mode == FileMode.Create || mode == FileMode.CreateNew);

src\libraries\System.Private.CoreLib\src\System\IO\File.cs (35)

71=> new FileStream(path, FileMode.Create, FileAccess.ReadWrite, FileShare.None, bufferSize); 74=> new FileStream(path, FileMode.Create, FileAccess.ReadWrite, FileShare.None, bufferSize, options); 127public static FileStream Open(string path, FileMode mode) 128=> Open(path, mode, (mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite), FileShare.None); 130public static FileStream Open(string path, FileMode mode, FileAccess access) 133public static FileStream Open(string path, FileMode mode, FileAccess access, FileShare share) 140/// <param name="mode">One of the enumeration values that determines how to open or create the file. The default value is <see cref="FileMode.Open" /></param> 154/// <exception cref="T:System.IO.FileNotFoundException">The file cannot be found, such as when <paramref name="mode" /> is <see cref="FileMode.Truncate" /> or <see cref="FileMode.Open" />, and the file specified by <paramref name="path" /> does not exist. The file must already exist in these modes.</exception> 155/// <exception cref="T:System.IO.IOException">An I/O error, such as specifying <see cref="FileMode.CreateNew" /> when the file specified by <paramref name="path" /> already exists, occurred. 166public static SafeFileHandle OpenHandle(string path, FileMode mode = FileMode.Open, FileAccess access = FileAccess.Read, 619=> new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read); 622=> new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None); 666WriteToFile(path, FileMode.Create, contents, encoding); 692WriteToFile(path, FileMode.Create, contents, encoding); 699using (SafeFileHandle sfh = OpenHandle(path, FileMode.Open, FileAccess.Read, FileShare.Read, options)) 763using SafeFileHandle sfh = OpenHandle(path, FileMode.Create, FileAccess.Write, FileShare.Read); 813using SafeFileHandle fileHandle = OpenHandle(path, FileMode.Append, FileAccess.Write, FileShare.Read); 858using SafeFileHandle fileHandle = OpenHandle(path, FileMode.Append, FileAccess.Write, FileShare.Read, FileOptions.Asynchronous); 978WriteToFile(path, FileMode.Append, contents, encoding); 1008WriteToFile(path, FileMode.Append, contents, encoding); 1081new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultBufferSize, FileOptions.Asynchronous | FileOptions.SequentialScan), 1166return WriteToFileAsync(path, FileMode.Create, contents, encoding, cancellationToken); 1178SafeFileHandle sfh = OpenHandle(path, FileMode.Open, FileAccess.Read, FileShare.Read, options); 1285using SafeFileHandle sfh = OpenHandle(path, FileMode.Create, FileAccess.Write, FileShare.Read, FileOptions.Asynchronous); 1341new FileStream(path, append ? FileMode.Append : FileMode.Create, FileAccess.Write, FileShare.Read, DefaultBufferSize, FileOptions.Asynchronous), 1403return WriteToFileAsync(path, FileMode.Append, contents, encoding, cancellationToken); 1503private static void WriteToFile(string path, FileMode mode, ReadOnlySpan<char> contents, Encoding encoding) 1509long fileOffset = mode == FileMode.Append && fileHandle.CanSeek ? RandomAccess.GetLength(fileHandle) : 0; 1559private static async Task WriteToFileAsync(string path, FileMode mode, ReadOnlyMemory<char> contents, Encoding encoding, CancellationToken cancellationToken) 1565long fileOffset = mode == FileMode.Append && fileHandle.CanSeek ? RandomAccess.GetLength(fileHandle) : 0; 1610private static long GetPreallocationSize(FileMode mode, ReadOnlySpan<char> contents, Encoding encoding, int preambleSize) 1619if (mode == FileMode.Append)

src\libraries\System.Private.CoreLib\src\System\IO\FileInfo.cs (6)

128public FileStream Open(FileMode mode) 129=> Open(mode, (mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite), FileShare.None); 131public FileStream Open(FileMode mode, FileAccess access) 134public FileStream Open(FileMode mode, FileAccess access, FileShare share) 138=> new FileStream(NormalizedPath, FileMode.Open, FileAccess.Read, FileShare.Read, File.DefaultBufferSize, false); 141=> new FileStream(NormalizedPath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);

src\libraries\System.Private.CoreLib\src\System\IO\FileStream.cs (15)

120public FileStream(string path, FileMode mode) 121: this(path, mode, mode == FileMode.Append ? FileAccess.Write : FileAccess.ReadWrite, DefaultShare, DefaultBufferSize, DefaultIsAsync) 125public FileStream(string path, FileMode mode, FileAccess access) 130public FileStream(string path, FileMode mode, FileAccess access, FileShare share) 135public FileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize) 140public FileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, bool useAsync) 145public FileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options) 186if ((options.Access & FileAccess.Read) != 0 && options.Mode == FileMode.Append) 192if (options.Mode == FileMode.Truncate || options.Mode == FileMode.CreateNew || options.Mode == FileMode.Create || options.Mode == FileMode.Append) 206if (options.Mode == FileMode.Truncate || options.Mode == FileMode.Open) 218private FileStream(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options, long preallocationSize)

src\libraries\System.Private.CoreLib\src\System\IO\FileStreamOptions.cs (5)

11private FileMode _mode = FileMode.Open; 23public FileMode Mode 28if (value < FileMode.CreateNew || value > FileMode.Append)

src\libraries\System.Private.CoreLib\src\System\IO\FileSystem.Unix.cs (2)

47using SafeFileHandle dst = SafeFileHandle.Open(destFullPath, overwrite ? FileMode.Create : FileMode.CreateNew,

src\libraries\System.Private.CoreLib\src\System\IO\Strategies\FileStreamHelpers.cs (12)

27internal static FileStreamStrategy ChooseStrategy(FileStream fileStream, string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options, long preallocationSize, UnixFileMode? unixCreateMode) 59internal static void ValidateArguments(string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options, long preallocationSize) 67if (mode < FileMode.CreateNew || mode > FileMode.Append) 102if (mode == FileMode.Truncate || mode == FileMode.CreateNew || mode == FileMode.Create || mode == FileMode.Append) 109if ((access & FileAccess.Read) != 0 && mode == FileMode.Append) 122internal static void ValidateArgumentsForPreallocation(FileMode mode, FileAccess access) 132if (mode != FileMode.Create && 133mode != FileMode.CreateNew)

src\libraries\System.Private.CoreLib\src\System\IO\Strategies\FileStreamHelpers.Unix.cs (1)

16private static UnixFileStreamStrategy ChooseStrategyCore(string path, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, UnixFileMode? unixCreateMode) =>

src\libraries\System.Private.CoreLib\src\System\IO\Strategies\OSFileStreamStrategy.cs (2)

40internal OSFileStreamStrategy(string path, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, UnixFileMode? unixCreateMode) 50if (mode == FileMode.Append && CanSeek)

src\libraries\System.Private.CoreLib\src\System\IO\Strategies\UnixFileStreamStrategy.cs (1)

14internal UnixFileStreamStrategy(string path, FileMode mode, FileAccess access, FileShare share, FileOptions options, long preallocationSize, UnixFileMode? unixCreateMode) :

src\libraries\System.Private.CoreLib\src\System\IO\StreamReader.cs (1)

232return new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultFileStreamBufferSize);

src\libraries\System.Private.CoreLib\src\System\IO\StreamWriter.cs (2)

189return new FileStream(path, append ? FileMode.Append : FileMode.Create, FileAccess.Write, FileShare.Read, DefaultFileStreamBufferSize);

src\libraries\System.Private.CoreLib\src\System\Resources\ResourceReader.cs (1)

101_store = new BinaryReader(new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultFileStreamBufferSize, FileOptions.RandomAccess), Encoding.UTF8);

src\libraries\System.Private.CoreLib\src\System\Resources\RuntimeResourceSet.cs (1)

179this(new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))

src\libraries\System.Private.CoreLib\src\System\TimeZoneInfo.Unix.NonAndroid.cs (1)

375using (SafeFileHandle sfh = File.OpenHandle(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))

src\System\Reflection\RuntimeAssembly.cs (2)

444FileMode.Open, 463FileMode.Open,

System\Xml\Core\XmlTextWriter.cs (1)

293: this(new FileStream(filename, FileMode.Create,

System\Xml\Core\XmlWriter.cs (1)

619var fs = new FileStream(outputFileName, FileMode.Create, FileAccess.Write, FileShare.Read);

System\Xml\Core\XmlWriterSettings.cs (1)

348fs = new FileStream(outputFileName, FileMode.Create, FileAccess.Write, FileShare.Read, 0x1000, _useAsync);

System\Xml\XmlDownloadManager.cs (2)

17return new FileStream(uri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, 1); 32return Task.FromResult<Stream>(new FileStream(fileUri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, 1, useAsync: true));

System\Xml\XmlResolver.FileSystemResolver.cs (2)

34return new FileStream(absoluteUri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, 1); 46return Task.FromResult<object>(new FileStream(absoluteUri.LocalPath, FileMode.Open, FileAccess.Read, FileShare.Read, 1, useAsync: true));

System\Xml\Xslt\XslTransform.cs (1)

227fs = new FileStream(outputfile, FileMode.Create, FileAccess.ReadWrite);

System\Reflection\Emit\PersistedAssemblyBuilder.cs (1)

93using var peStream = new FileStream(assemblyFileName, FileMode.Create, FileAccess.Write);

System\Reflection\Metadata\MetadataReader.netstandard.cs (1)

74fileStream = new FileStream(assemblyFile, FileMode.Open, FileAccess.Read, FileShare.Read, bufferSize: 1, useAsync: false);

System\Reflection\TypeLoading\Assemblies\RoAssembly.Modules.cs (2)

28return new FileStream(m.FullyQualifiedName, FileMode.Open, FileAccess.Read, FileShare.Read); 40fs[i] = new FileStream(m[i].FullyQualifiedName, FileMode.Open, FileAccess.Read, FileShare.Read);

src\libraries\Common\src\System\Resources\ResourceWriter.cs (1)

53_output = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None);

src\libraries\System.Private.CoreLib\src\System\Resources\ResourceReader.cs (1)

101_store = new BinaryReader(new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read, DefaultFileStreamBufferSize, FileOptions.RandomAccess), Encoding.UTF8);

src\libraries\Common\src\System\Resources\ResourceWriter.cs (1)

53_output = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None);

artifacts\obj\System.Runtime\Debug\net10.0\System.Runtime.Forwards.cs (1)

305[assembly: System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.IO.FileMode))]

System\Security\Cryptography\X509Certificates\OpenSslDirectoryBasedStoreProvider.cs (2)

182Mode = FileMode.CreateNew, 190options.Mode = FileMode.Create;

System\Resources\ResxFileRef.Converter.cs (1)

120using (FileStream fileStream = new(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))

System\Resources\ResXResourceReader.cs (1)

258_stream ??= new FileStream(_fileName!, FileMode.Open, FileAccess.Read, FileShare.Read);

System\Windows\Forms\Controls\RichTextBox\RichTextBox.cs (1)

2305FileStream file = new(path, FileMode.Open, FileAccess.Read, FileShare.Read);

System\Windows\Forms\Dialogs\CommonDialogs\OpenFileDialog.cs (1)

100return new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);

System\Windows\Forms\Dialogs\CommonDialogs\SaveFileDialog.cs (1)

79return new FileStream(filename, FileMode.Create, FileAccess.ReadWrite);

System\ComponentModel\Design\ByteViewer.cs (1)

592using FileStream currentFile = new(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);

System\Drawing\Design\IconEditor.cs (1)

78using FileStream stream = new(_fileDialog.FileName, FileMode.Open, FileAccess.Read, FileShare.Read);

System\Drawing\Design\ImageEditor.cs (1)

107using FileStream stream = new(_fileDialog.FileName, FileMode.Open, FileAccess.Read, FileShare.Read);

System\Windows\Forms\Design\ImageListImageEditor.cs (1)

74using FileStream file = new(name, FileMode.Open, FileAccess.Read, FileShare.Read);

SystemDesignMetadataReader.cs (1)

24using FileStream fs = new(systemDesign.Location, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);

System\Windows\Forms\Internals\ThemingScope.cs (1)

87FileMode.CreateNew,

System\Resources\ResXResourceSetTests.cs (1)

43using FileStream fs = new(resxFileName, FileMode.Open);

Infra\ScreenRecordService.cs (1)

153using var fileStream = new FileStream(fullPath, FileMode.Create, FileAccess.Write);

ByteOrderMarkTest.cs (2)

49using var fileStream = new FileStream(filePath, FileMode.Open); 87using var fileStream = new FileStream(filePath, FileMode.Open);

Program.cs (1)

96using var fileStream = new FileStream(outputFilePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);

src\Compilers\Core\CommandLine\CompilerServerLogger.cs (1)

133_loggingStream = new FileStream(loggingFilePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite);

src\Compilers\Shared\BuildServerConnection.cs (2)

685return new FileStream(GuardPath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); 712stream = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);

src\Compilers\Core\CommandLine\CompilerServerLogger.cs (1)

133_loggingStream = new FileStream(loggingFilePath, FileMode.OpenOrCreate, FileAccess.Write, FileShare.ReadWrite);

src\Compilers\Shared\BuildServerConnection.cs (2)

685return new FileStream(GuardPath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None); 712stream = new FileStream(FilePath, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);

Program.vb (6)

78Using output As New StreamWriter(New FileStream(mainFile, FileMode.Create, FileAccess.Write), Encoding.UTF8) 126Using output As New StreamWriter(New FileStream(outputFile, FileMode.Create, FileAccess.Write), Encoding.UTF8) 142Using output As New StreamWriter(New FileStream(outputFile, FileMode.Create, FileAccess.Write), Encoding.UTF8) 161Using output As New StreamWriter(New FileStream(mainFile, FileMode.Create, FileAccess.Write), Encoding.UTF8) 172Using output As New StreamWriter(New FileStream(syntaxFile, FileMode.Create, FileAccess.Write), Encoding.UTF8) 178Using output As New StreamWriter(New FileStream(internalFile, FileMode.Create, FileAccess.Write), Encoding.UTF8)

Util\WriteCsvNames.vb (1)

27_writer = New StreamWriter(New FileStream(filename, FileMode.Create, FileAccess.Write))

Util\WriteDumper.vb (1)

25_writer = New StreamWriter(New FileStream(filename, FileMode.Create, FileAccess.Write))

XML\ReadTree.vb (1)

82Dim fileStream As New FileStream(fileName, FileMode.Open, FileAccess.Read)

Program.cs (1)

74using (var exe = new FileStream(outputLocation, FileMode.Create))

common\AssemblyResolution\Microsoft.Extensions.DependencyModel\FileWrapper.cs (1)

28FileMode fileMode,

common\AssemblyResolution\Microsoft.Extensions.DependencyModel\IFile.cs (1)

18FileMode fileMode,