System.IO.FileStream Class Reference

Public Member Functions
	FileStream (IntPtr handle, FileAccess access)
	FileStream (IntPtr handle, FileAccess access, bool ownsHandle)
	FileStream (IntPtr handle, FileAccess access, bool ownsHandle, int bufferSize)
	FileStream (IntPtr handle, FileAccess access, bool ownsHandle, int bufferSize, bool isAsync)
	FileStream (SafeFileHandle handle, FileAccess access)
	FileStream (SafeFileHandle handle, FileAccess access, int bufferSize)
	FileStream (SafeFileHandle handle, FileAccess access, int bufferSize, bool isAsync)
	FileStream (string path, FileMode mode)
	FileStream (string path, FileMode mode, FileAccess access)
	FileStream (string path, FileMode mode, FileAccess access, FileShare share)
	FileStream (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize)
	FileStream (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, bool useAsync)
	FileStream (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options)
	FileStream (string path, FileStreamOptions options)
virtual void	Lock (long position, long length)
virtual void	Unlock (long position, long length)
override Task	FlushAsync (CancellationToken cancellationToken)
override int	Read (byte[] buffer, int offset, int count)
override int	Read (Span< byte > buffer)
override Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask< int >	ReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override void	Write (byte[] buffer, int offset, int count)
override void	Write (ReadOnlySpan< byte > buffer)
override Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
override void	Flush ()
virtual void	Flush (bool flushToDisk)
override void	SetLength (long value)
override int	ReadByte ()
override void	WriteByte (byte value)
override ValueTask	DisposeAsync ()
override void	CopyTo (Stream destination, int bufferSize)
override Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
override IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
override int	EndRead (IAsyncResult asyncResult)
override IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
override void	EndWrite (IAsyncResult asyncResult)
override long	Seek (long offset, SeekOrigin origin)
void	CopyTo (Stream destination)
Task	CopyToAsync (Stream destination)
Task	CopyToAsync (Stream destination, int bufferSize)
Task	CopyToAsync (Stream destination, CancellationToken cancellationToken)
void	Dispose ()
virtual void	Close ()
Task	FlushAsync ()
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
Task	WriteAsync (byte[] buffer, int offset, int count)
object	GetLifetimeService ()
virtual object	InitializeLifetimeService ()

Static Public Member Functions
static Stream	Synchronized (Stream stream)

Static Public Attributes
static readonly Stream	Null = new NullStream()

Protected Member Functions
override void	Dispose (bool disposing)
SemaphoreSlim	EnsureAsyncActiveSemaphoreInitialized ()
virtual WaitHandle	CreateWaitHandle ()
virtual void	ObjectInvariant ()
MarshalByRefObject	MemberwiseClone (bool cloneIdentity)

Static Protected Member Functions
static void	ValidateBufferArguments (byte[] buffer, int offset, int count)
static void	ValidateCopyToArguments (Stream destination, int bufferSize)

Protected Attributes
SemaphoreSlim	_asyncActiveSemaphore

Package Functions
void	DisposeInternal (bool disposing)
Task	BaseFlushAsync (CancellationToken cancellationToken)
int	BaseRead (Span< byte > buffer)
Task< int >	BaseReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
ValueTask< int >	BaseReadAsync (Memory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
void	BaseWrite (ReadOnlySpan< byte > buffer)
Task	BaseWriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
ValueTask	BaseWriteAsync (ReadOnlyMemory< byte > buffer, CancellationToken cancellationToken=default(CancellationToken))
ValueTask	BaseDisposeAsync ()
Task	BaseCopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
IAsyncResult	BaseBeginRead (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
int	BaseEndRead (IAsyncResult asyncResult)
IAsyncResult	BaseBeginWrite (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
void	BaseEndWrite (IAsyncResult asyncResult)
Task< int >	BeginReadInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)
Task	BeginWriteInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)

Properties
virtual IntPtr	Handle [get]
override bool	CanRead [get]
override bool	CanWrite [get]
virtual SafeFileHandle	SafeFileHandle [get]
virtual string	Name [get]
virtual bool	IsAsync [get]
override long	Length [get]
override long	Position [get, set]
override bool	CanSeek [get]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
	FileStream (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, FileOptions options, long preallocationSize)
void	ValidateReadWriteArgs (byte[] buffer, int offset, int count)
bool	HasOverriddenBeginEndRead ()
bool	HasOverriddenBeginEndWrite ()
int	GetCopyBufferSize ()
Task< int >	BeginEndReadAsync (byte[] buffer, int offset, int count)
void	FinishTrackingAsyncOperation (ReadWriteTask task)
Task	BeginEndWriteAsync (byte[] buffer, int offset, int count)

Static Private Member Functions
static void	ValidateHandle (SafeFileHandle handle, FileAccess access, int bufferSize)
static void	ValidateHandle (SafeFileHandle handle, FileAccess access, int bufferSize, bool isAsync)
static void	RunReadWriteTaskWhenReady (Task asyncWaiter, ReadWriteTask readWriteTask)
static void	RunReadWriteTask (ReadWriteTask readWriteTask)
static async Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)

Private Attributes
readonly FileStreamStrategy	_strategy

Detailed Description

Definition at line 10 of file FileStream.cs.

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The documentation for this class was generated from the following file:

• source/System.Private.CoreLib/System.IO/FileStream.cs