Represents a pointer to an interface instance that allows the sending process to control the way the storage is released when the receiving process calls the ReleaseStgMedium function. If is null, ReleaseStgMedium uses default procedures to release the storage; otherwise, ReleaseStgMedium uses the specified IUnknown interface.
Assembly: System (in System.dll)
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.