System.IO.Stream.NullStream Class Reference

Public Member Functions
override void	CopyTo (Stream destination, int bufferSize)
override Task	CopyToAsync (Stream destination, int bufferSize, CancellationToken cancellationToken)
override void	Flush ()
override Task	FlushAsync (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 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)
override int	ReadByte ()
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	WriteByte (byte value)
override long	Seek (long offset, SeekOrigin origin)
override void	SetLength (long length)
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 ()
virtual ValueTask	DisposeAsync ()
Task	FlushAsync ()
virtual IAsyncResult	BeginRead (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
Task< int >	ReadAsync (byte[] buffer, int offset, int count)
virtual IAsyncResult	BeginWrite (byte[] buffer, int offset, int count, AsyncCallback? callback, object? state)
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
	NullStream ()
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
override bool	CanRead [get]
override bool	CanWrite [get]
override bool	CanSeek [get]
override long	Length [get]
override long	Position [get, set]
virtual bool	CanTimeout [get]
virtual int	ReadTimeout [get, set]
virtual int	WriteTimeout [get, set]

Private Member Functions
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	RunReadWriteTaskWhenReady (Task asyncWaiter, ReadWriteTask readWriteTask)
static void	RunReadWriteTask (ReadWriteTask readWriteTask)
static async Task	FinishWriteAsync (Task writeTask, byte[] localBuffer)

Detailed Description

Definition at line 94 of file Stream.cs.

---

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

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