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分组也可以拖
@shangwei 不够灵活。实际维护中经常需要切换发往当前窗口还是发给所有窗口,有明显的标志可以区分避免误发送。开几十个窗口,每个窗口占用的面积都是完整面积,避免显示区域过小。发往所有窗口后,可以ctrl+tab一个个窗口切过去,观察命令执行情况。