BinaryWriter.Seek Method

Sets the position within the current stream.

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

public virtual long Seek (
	int offset,
	SeekOrigin origin
public long Seek (
	int offset, 
	SeekOrigin origin
public function Seek (
	offset : int, 
	origin : SeekOrigin
) : long
Not applicable.



A byte offset relative to origin.


A field of SeekOrigin indicating the reference point from which the new position is to be obtained.

Return Value

The position with the current stream.

Exception typeCondition


The file pointer was moved to an invalid location.


The SeekOrigin value is invalid.

For a list of common I/O tasks, see Common I/O Tasks.

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

Community Additions