namespace Windows.Win32.UI.Shell { internal struct IDropTargetHelper : IVTable<IDropTargetHelper, IDropTargetHelper.Vtbl>, IVTable, IComIID { public unsafe HRESULT QueryInterface(Guid* riid, void** ppvObject); public uint AddRef(); public uint Release(); public unsafe HRESULT DragEnter(HWND hwndTarget, IDataObject* pDataObject, Point* ppt, DROPEFFECT dwEffect); public HRESULT DragLeave(); public unsafe HRESULT DragOver(Point* ppt, DROPEFFECT dwEffect); public unsafe HRESULT Drop(IDataObject* pDataObject, Point* ppt, DROPEFFECT dwEffect); public HRESULT Show(BOOL fShow); public unsafe static void PopulateVTable(Vtbl* vtable); } }