VC++ 显示、隐藏窗口标题栏，可以将标题栏删除掉，只显示窗体的主体，感觉 不习惯，这里主要是演示一下用VC++获得窗口的标题栏，然后去控制标题栏，除了显示、隐藏外，还有其它的一些功能等你去实现。

-VC++ show, hide the window title bar, you can title bar removed to show only the form of the body, feeling not used here mainly to show you how to use VC++ to obtain the window' s title bar, and then to control the title bar, in addition to show, hide outside , there are some other functions to be realized.