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UnmanagedMemoryStream.SetLength Method

April 12, 2014

This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Sets the length of a stream to a specified value.

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)
'Declaration
Public Overrides Sub SetLength ( _
	value As Long _
)

Parameters

value
Type: System.Int64
The length of the stream.
ExceptionCondition
IOException

An I/O error has occurred.

ObjectDisposedException

The stream is closed.

NotSupportedException

The underlying memory does not support writing.

- or -

An attempt is made to write to the stream and the CanWrite property is false.

ArgumentOutOfRangeException

The specified value exceeds the capacity of the stream.

- or -

The specified value is negative.

If the given value is less than the current length of the stream, the stream is truncated. If the given value is larger than the current length of the stream, the stream is expanded. If the stream is expanded, the contents of the stream between the old and the new lengths are undefined.

A stream must support both writing and seeking for SetLength to work.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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