系统繁忙等待动画源码，加载gif文件。直接调用dll文件，并已定义调用函数，可直接使用。vs2008可直接调试运行。busymark画面，或可称为waiting动画-System busy waiting animation source, loading the GIF file. Calls directly to the DLL file, and defined the function is called, can be used directly. VS2008 can be dir