GDI+综合教程，仿qq界面截图软件，代码来自网上，http://www.cnblogs.com/peterzb/archive/2009/07/19/1526555.html，借用一下，感谢原作者-GDI+ Integrated Course, imitation qq interface screenshots software code from the Internet, http://www.cnblogs.com/peterzb/archive/2009/07/19/1526555.