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Stream.Length Property

When overridden in a derived class, gets the length in bytes of the stream.

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

public abstract long Length { get; }
/** @property */
public abstract long get_Length ()

public abstract function get Length () : long

Property Value

A long value representing the length of the stream in bytes.

Exception typeCondition

NotSupportedException

A class derived from Stream does not support seeking.

ObjectDisposedException

Methods were called after the stream was closed.

For an example of creating a file and writing text to a file, see How to: Write Text to a File. For an example of reading text from a file, see How to: Read Text from a File. For an example of reading from and writing to a binary file, see How to: Read and Write to a Newly Created Data File.

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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