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 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.