这个小例子说明了如何用Skin++加载皮肤，实现动态换肤，动态删除皮肤。另外还说明如何动态注册一个数据源及删除一个数据源，里有说明手册-This small example shows how to load the skin with Skin++, dynamic skinning, dynamic remove the skin. It also shows how to dynamically register a data source and to delete a data sou