ULONG Release();
Decreases the reference count of the Direct3DRMShadow object by 1. This method is part of the IUnknown interface inherited by Direct3DRMShadow.
·Returns the new reference count of the object.
The Direct3DRMShadow object deallocates itself when its reference count reaches 0. Use the IDirect3DRMShadow::AddRef method to increase the reference count of the object by 1.