简单的窗口程序，实现窗口、鼠标左键效果、关闭窗口时弹出确定对话框。是要想成为VC++真正的程序员，必须会编的第一个程序（程序来自维新培训）-simple window procedures, window, the left mouse button effect, closing the window when activated determine dialog. VC is truly wants to become programmers, will be an addendum to