Gets a value indicating whether the handle is closed.
Assembly: mscorlib (in mscorlib.dll)
The method returns a value indicating whether the CriticalHandle 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 8.1, Windows Server 2012 R2, 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.