Retrieve VirtualBox's "device" menu

After the enhancement feature is installed in the "device" menu of VirtualBox is retrieved, you may want to adjust the screen size, but you may not know what keys you have randomly pressed to remove the "device" menu. Under www.2cto.com, the retrieval method is as follows: Corresponding shortcut key: Full Screen mode: Host + F seamless mode: Host + L automatic scaling mode: Host + C where Host (default) it is the mode corresponding to the Ctrl key on the right side of the keyboard. You can use the corresponding shortcut key above to switch over and press the corresponding shortcut key again to exit from the normal mode to the window mode. The menu of www.2cto.com "device" is hidden in these statuses. Try: Host + F (right Ctrl + F), Host + L (right Ctrl + L), Host + C (right Ctrl + C) will have a key, you can exit to the normal mode.