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 nullptr if the caller is not in the same context as the specified object.
This method is the same as GetIUnknownForObject except that it returns nullptr 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.