Gets a value indicating whether the handle is closed.
Assembly: mscorlib (in mscorlib.dll)
The method returns a value indicating whether the SafeHandle object's handle is no longer associated with a native resource. This differs from the definition of the IsInvalid property, which computes whether a given handle is always considered invalid. The method returns a true value in the following cases:
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.