Once the user has dismissed the pop-up menu by clicking outside it, or has clicked on a command, that function will return.
用户在弹出菜单外面单击解除了弹出菜单或者单击了命令后，该函数将返回。
Option -e will disable the Exit command in the pop-up menu.
E选项将在弹出菜单中禁用退出命令。
Option -e will disable the Exit command in the pop-up menu.
E选项将在弹出菜单中禁用退出命令。
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