Gets the length of the underlying stream.
Assembly: System (in System.dll)
This property returns the value returned by invoking Length on the underlying stream. If the underlying stream is not seekable, this method typically throws an exception. The run-time type of the underlying stream determines the run-time type of the exception that is thrown.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.