抖动窗口的恶作剧小程序。运行起来以后会无限抖动当前窗口。直到用户在指定的消息框中点了确定按钮。c语言实现模仿前多时间流行的vb实现的HappyChrismas-Jitter window prank program. Shake the current window up and running indefinitely. Until the point specified in the message box OK button. c language to imitate the forme