Lets you hide selected regions of code under their first lines 它允许您将选定的代码区域隐藏在它们的第一行之下。
2.
Visual c hide selected code under the first selected line , and then expand or collapse it by clicking the symbol next to it ( visual c + + )将选定的代码隐藏在第一个选定行下,然后通过单击它旁边的符号来展开或折叠它。