_UpdateChildPostions(hObj, Diff);WM_InvalidateWindow(hObj);return0;/* Message handled -> Return */caseWM_GET_ID: pMsg->Data.v = pWidget->Id;return0;/* Message handled -> Return */caseWM_PID_STATE_CHANGED:if(pWidget->State & WIDGET_STATE_FOCUSSABLE) {constWM_PID_STATE_CHANGED_INFO...