禁止重复运行-可还原窗口,让程序标识成为唯一性，如果该程序在电脑上运行过一次，就不会重复运行，并且再次运行可自动弹出已运行的程序界面-Prohibit repeated operation- can restore the window, let the program identification become the only, if the program on the computer to run once, will not repeat the operation, and the