采用MCIWnd实现多媒体播放器，支持avi,mpg,wmv,mp3,mid,wav,jpg,bmp,gif。具有可更换的bmp背景，其它控件透明自绘。-MCIWnd using multimedia player, support avi, mpg, wmv, mp3, mid, wav, jpg, bmp, gif. Can be replaced with the bmp background, the other controls drawn from transparent.