The Outline view provides you with a structural view of your C/C++ source code:
The Outline view shows the structural view of your source
The view shows the elements in the source file in the order they occur, including functions, libraries, and variables. You may also sort the list alphabetically, or hide certain items (fields, static members, and nonpublic members).
If you click an entry in the Outline view, the editor's cursor moves to the start of the item selected.