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CryptoStream.Seek Method

Sets the position within the current stream.

Namespace: System.Security.Cryptography
Assembly: mscorlib (in mscorlib.dll)

public override long Seek (
	long offset,
	SeekOrigin origin
public long Seek (
	long offset, 
	SeekOrigin origin
public override function Seek (
	offset : long, 
	origin : SeekOrigin
) : long



A byte offset relative to the origin parameter.


A SeekOrigin object indicating the reference point used to obtain the new position.

Return Value

This method is not supported.

Exception typeCondition


This method is not supported.

This method exists only to support inheritance from Stream, and cannot be used.

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