System.IO.FileStream Class Reference

Inheritance diagram for System.IO.FileStream:

Classes
class	ReadDelegate
class	WriteDelegate

Public Member Functions
	FileStream (IntPtr handle, FileAccess access, bool ownsHandle, int bufferSize)
	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)
override int	ReadByte ()
override void	WriteByte (byte value)
override int	Read ([In][Out] byte[] array, int offset, int count)
override IAsyncResult	BeginRead (byte[] array, int offset, int numBytes, AsyncCallback userCallback, object stateObject)
override int	EndRead (IAsyncResult asyncResult)
override void	Write (byte[] array, int offset, int count)
override IAsyncResult	BeginWrite (byte[] array, int offset, int numBytes, AsyncCallback userCallback, object stateObject)
override void	EndWrite (IAsyncResult asyncResult)
override long	Seek (long offset, SeekOrigin origin)
override void	SetLength (long value)
override void	Flush ()
override Task	FlushAsync (CancellationToken cancellationToken)
override Task< int >	ReadAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
override Task	WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
void	CopyTo (Stream destination)
virtual void	CopyTo (Stream destination, int bufferSize)
virtual void	Close ()
void	Dispose ()
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual ValueTask< int >	ReadAsync (Memory< byte > buffer, [Optional] CancellationToken cancellationToken)
Task	WriteAsync (byte[] buffer, int offset, int count)
virtual ValueTask	WriteAsync (ReadOnlyMemory< byte > buffer, [Optional] CancellationToken cancellationToken)
virtual int	Read (Span< byte > buffer)
virtual void	Write (ReadOnlySpan< byte > buffer)
virtual ObjRef	CreateObjRef (Type requestedType)
virtual object	InitializeLifetimeService ()

Static Public Attributes
static readonly Stream	Null

Protected Member Functions
override void	Finalize ()
override void	Dispose (bool disposing)

Package Functions
	FileStream (IntPtr handle, FileAccess access, bool ownsHandle, int bufferSize, bool isAsync, bool isConsoleWrapper)
	FileStream (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, bool isAsync, bool anonymous)
	FileStream (string path, FileMode mode, FileAccess access, FileShare share, int bufferSize, bool anonymous, FileOptions options)
SemaphoreSlim	EnsureAsyncActiveSemaphoreInitialized ()
IAsyncResult	BeginReadInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)
IAsyncResult	BeginWriteInternal (byte[] buffer, int offset, int count, AsyncCallback callback, object state, bool serializeAsynchronously, bool apm)
IAsyncResult	BlockingBeginRead (byte[] buffer, int offset, int count, AsyncCallback callback, object state)
IAsyncResult	BlockingBeginWrite (byte[] buffer, int offset, int count, AsyncCallback callback, object state)

Static Package Functions
static int	BlockingEndRead (IAsyncResult asyncResult)
static void	BlockingEndWrite (IAsyncResult asyncResult)
static ValueTask< int >< ReadAsync >	g__FinishReadAsync (Task< int > readTask, byte[] localBuffer, Memory< byte > localDestination)

Properties
override bool	CanRead [get]
override bool	CanWrite [get]
override bool	CanSeek [get]
override long	Length [get]
override long	Position [get, set]
virtual SafeFileHandle	SafeFileHandle [get]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]
ServerIdentity	ObjectIdentity [get, set]

Private Member Functions
void	Init (SafeFileHandle safeHandle, FileAccess access, bool ownsHandle, int bufferSize, bool isAsync, bool isConsoleWrapper)
void	ExposeHandle ()
int	ReadInternal (byte[] dest, int offset, int count)
void	WriteInternal (byte[] src, int offset, int count)
int	ReadSegment (byte[] dest, int dest_offset, int count)
int	WriteSegment (byte[] src, int src_offset, int count)
void	FlushBuffer ()
void	FlushBufferIfDirty ()
void	RefillBuffer ()
int	ReadData (SafeHandle safeHandle, byte[] buf, int offset, int count)
void	InitBuffer (int size, bool isZeroSize)
string	GetSecureFileName (string filename)
string	GetSecureFileName (string filename, bool full)
int	GetCopyBufferSize ()
Task< int >	BeginEndReadAsync (byte[] buffer, int offset, int count)
void	RunReadWriteTaskWhenReady (Task asyncWaiter, Stream.ReadWriteTask readWriteTask)
void	RunReadWriteTask (Stream.ReadWriteTask readWriteTask)
void	FinishTrackingAsyncOperation ()
Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)
Task	BeginEndWriteAsync (byte[] buffer, int offset, int count)
bool	HasOverriddenBeginEndRead ()
bool	HasOverriddenBeginEndWrite ()

Static Private Member Functions
static	FileStream ()

Private Attributes
byte[]	buf
string	name
SafeFileHandle	safeHandle
bool	isExposed
long	append_startpos
FileAccess	access
bool	owner
bool	async
bool	canseek
bool	anonymous
bool	buf_dirty
int	buf_size
int	buf_length
int	buf_offset
long	buf_start
Stream.ReadWriteTask	_activeReadWriteTask
SemaphoreSlim	_asyncActiveSemaphore
object	_identity

Static Private Attributes
static byte[]	buf_recycle
static readonly object	buf_recycle_lock

Detailed Description

Definition at line 12 of file FileStream.cs.

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

• source/mscorlib/System/IO/FileStream.cs