外挂式的把任何窗口前置的程序，避免了部分没有提供此功能的窗口不能前置的麻烦，例如tomcat等窗口前置对调试程序非常有帮助-Plug-style window to front any of the procedures to avoid some of this functionality did not provide a window should not prefix the trouble, for example, tomcat and other front window of t