HDC dskDC=GetWindowDC(desk);
char *msg="時間到啦";
//定義字體的屬性
LOGFONT fontRect;
memset(&fontRect,0,sizeof(LOGFONT));
fontRect.lfHeight=-50; //字體的高度
fontRect.lfWeight=FW_HEAVY;//字體的粗細
lstrcpy(fontRect.lfFaceName,"宋體");
HFONT hFont=CreateFontIndirect(&fontRect); //創建字體
HFONT hOld=::SelectObject(dskDC,hFont);//引用上面的字體
::SetTextColor(dskDC,RGB(0,255,0));
::SetBkColor(dskDC,RGB(255,0,0));
::TextOut(dskDC,GetSystemMetrics(SM_CXSCREEN)/2 - 100 ,GetSystemMetrics(SM_CYSCREEN)/2,msg,lstrlen(msg));
::SelectObject(dskDC,hOld);
::DeleteObject(hFont);
ReleaseDC(desk,dskDC);。。