一个没有外部控件的多媒体播放器 利用MCI指令制作播放器，简单实用，很适合于做为自己软件的一个附带功能或背景音乐，正是基于这点需求，我准备分几个部分来写：-a no external controls multimedia players use MCI directive produced players, simple and practical, is well suited to its own software as an incidental function, or the background music, which is based on demand, I would be for the parts to write :