Returns an IUnknown interface from a managed object, if the caller is in the same context as that object.
Assembly: mscorlib (in mscorlib.dll)
- Type: System.Object
The object whose IUnknown interface is requested.
Return ValueType: System.IntPtr
The IUnknown pointer for the specified object, or a null reference (Nothing in Visual Basic) if the caller is not in the same context as the specified object.
This method is the same as GetIUnknownForObject except that it returns a null reference (Nothing in Visual Basic) if the caller is not in the same context as the object.
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Windows Phone 8.1, Windows Phone 8, 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.