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Length Property
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FileStream.Length Property

When it is called by trusted applications, gets the length in bytes of the stream.

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

public override long Length { get; }

Property Value

Type: System.Int64
A long value representing the length of the stream in bytes.

ExceptionCondition
NotSupportedException

CanSeek for this stream is false.

IOException

An I/O error occurs, such as the file being closed.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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