一个类似QQ主窗体功能的C#窗口设计示例，这个窗口是竖长型的，可浮动在屏幕的任意地方，可隐藏它，当你用鼠标按住其标题栏拖动至屏幕边缘时，它会隐藏在屏幕上缘，只显示一条线，鼠标再次移到线上，窗体则自动出现，不会制作C#浮动窗体的朋友，这是个不错的参考实例，代码适合初学者研究学习-A similar QQ main form and function of the C# window design example, this window is vertical long can float on the screen anywhere to hide it, when you use the mouse to drag its title bar to the edge of the screen, it hidden on the edge of the screen, show only one line, the mouse again to move online, the form automatically, not friends making C# floating form, this is a good reference for instance, the code for beginners learning