折叠区域

• You can set options to change which elements are collapsible and how many lines the element must contain before it is automatically treated as a collapsible region
  可设置选项来更改哪些元素可折叠，以及元素必须包含多少行才能被自动视为可折叠区域。
• The code editor automatically treats namespaces , classes , and methods as regions that you can collapse in order to make other parts of the source code file easier to find and read
  代码编辑器会自动将命名空间、类和方法视为可折叠区域，以便于查找和读取源代码文件的其他部分。还可以在代码周围添加