选择当前代码块
要在代码编辑器中选择当前 C++ 代码块，请按Ctrl+U。
再按一次Ctrl+U可将选择范围扩大到父代码块。
要撤销上次选择，请按Ctrl+Alt+Shift+U。
打开智能图块选择
要打开智能块选择，请进入首选项>Text Editor >Behavior ，然后选择Enable smart selection changing 。
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