Use the first icon in the toolbar in the upper-right corner to toggle between tree and simple layouts.

使用右上角的工具栏的第一个按钮可以在树型布局和简单布局之间切换。

youdao

If you toggle Mylyn's Automatically fold Uninteresting elements button in the window's toolbar, only interesting elements are unfolded in the editor.

如果打开窗口工具栏中Mylyn的Automatically Fold Uninteresting Elements按钮，那么在编辑器中只有感兴趣的元素被展开。

youdao

It also adds a corresponding toggle button into the toolbar.

它在工具条中添加了一个相应的触发按钮。

youdao