Delphi课间操定时播放音乐源码，用在中小学样的课间操定时播放音乐挺适合，只需运行后设置音乐文件路径，最小化程序，时间一到，自动播放课间操音乐，省去了有人值守的麻烦，相信这个源码是比较实用的-The Delphi calisthenics timing play music source, timing play music in primary and secondary school calisthenics very suitable music file path is set, si