Length Property

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 Value

Type: System.Int64

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

Exception Condition

A class derived from Stream does not support seeking.


Methods were called after the stream was closed.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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