This method releases any unmanaged resources held by the current instance. This method can, but is not required to, suppress finalization during garbage collection by calling the GC.SuppressFinalize method.
Override this method to release resources allocated in derived classes.
Use this method to release all resources held by an instance of WaitHandle. Once this method is called, references to the current instance cause undefined behavior.
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)