C#/asp.net中为gif动画添加图片水印的源码-C#/asp.net add animated gif images for the watermark source

这是一个非常精致的用c#打造的登录窗口源代码，有动画效果，希望朋友们喜欢-This is a very sophisticated built with c# source code for the login window, there are animation effects, I hope my friends like it! !