IDropSourceNotify struct IDropSourceNotify : IVTable<IDropSourceNotify, Vtbl>, IVTable, IComIID Documentation Code public static void PopulateVTable(Vtbl* vtable) public uint AddRef() public HRESULT DragEnterTarget(HWND hwndTarget) OLE calls this method when the user drags the mouse cursor into a potential drop target window. public HRESULT DragLeaveTarget() OLE calls this method when the user drags the mouse cursor out of a potential drop target window. public HRESULT QueryInterface(Guid* riid, Void** ppvObject) public uint Release()