这是用Borland C++ Builder 6.0写成的一个小工具，功能是枚举当前桌面上所有可见的顶层（top-level）窗口，并可将窗口设置为StayOnTop，或将本来已经StayOnTop的窗口还原为非StayOnTop。-Enumerate all the window that Stay On Top, and can set a window to Stay On Top, or set a Stay On Top wi