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Stream.Close Method

Closes the current stream and releases any resources (such as sockets and file handles) associated with the current stream.

Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)

public:
virtual void Close ()
public void Close ()
public function Close ()

Flushing the stream will not flush its underlying encoder unless you explicitly call an implementation of Flush or Close. Setting AutoFlush to true means that data will be flushed from the buffer to the stream, but the encoder state will not be flushed. This allows the encoder to keep its state (partial characters) so that it can encode the next block of characters correctly. This scenario affects UTF8 and UTF7 where certain characters can be encoded only after the encoder receives the adjacent character or characters.

A call to Close is required for proper operation of a stream. Following a call to Close, other operations on the stream could throw exceptions. If the stream is already closed, a call to Close throws no exceptions.

Attempts to manipulate the stream after the stream has been closed might throw an ObjectDisposedException.

Notes to Implementers In derived classes, do not override the Close method, instead, put all of the Stream cleanup logic in the Dispose method. For more information, see Implementing a Dispose Method.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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