运行源代码实例，单击播放动画按钮，播放Gif动画，单击停止播放按钮，停止播放Gif动画。源码简单易学，经典入门秘籍。-Running instance of the source code, click the Play Animation button, playback Gif animation play button, click Stop, stop playing Gif animation. Source code is easy to learn, classic entry C