STDMETHODIMP UDropTarget::DragEnter(LPDATAOBJECT pDataObj, DWORD grfKeyState, POINTL pt, LPDWORD pdwEffect)
{
	GuiLock __;
	LLOG("DragEnter " << pt);
	data = pDataObj;
	data->AddRef();
	fmt.Clear();
	IEnumFORMATETC *fe;
	if(!ctrl || pDataObj->EnumFormatEtc(DATADIR_GET, &fe) != NOERROR) {
		*pdwEffect = DROPEFFECT_NONE;
		return NOERROR;
	}
	FORMATETC fmtetc;
	while(fe->Next(1, &fmtetc, 0) == S_OK) {
		fmt.FindAdd(FromWin32CF(fmtetc.cfFormat));
		if(fmtetc.ptd)
			CoTaskMemFree(fmtetc.ptd);
	}
	fe->Release();
DUMP(fmt)
	DnD(pt, false, pdwEffect, grfKeyState);
	return NOERROR;
}