Windows 编程 主要功能是使 窗口可以至于所有窗口之上 而不被覆盖 反之可以取消-Windows programming main function is to make all As for the window can not be above the window covered the contrary can be lifted

本实例实现了将窗口总是在所有你打开程序的最上边的功能，就像QQ的功能。

一个很方便将任意窗口置顶及取消置顶的程序。-Will be a very convenient set-top and the cancellation of any set-top window procedure.