This class provides methods for assisting communication between an in-place control and its container.
template< class T > class IOleInPlaceActiveObjectImpl
Your class, derived from IOleInPlaceActiveObjectImpl.
The IOleInPlaceActiveObject interface assists communication between an in-place control and its container; for example, communicating the active state of the control and container, and informing the control it needs to resize itself. Class IOleInPlaceActiveObjectImpl provides a default implementation of IOleInPlaceActiveObject and supports IUnknown by sending information to the dump device in debug builds.