IntelliJ IDEA 9 CE“创建新类”对话框UI元素用途

Question

I'm using IntelliJ IDEA 9 Community Edition for Java project. On "Create New Class" dialog you can see some strange UI element (highlighted in red).

What is the purpose of this element?

Answer 1

It's an indicator to tell the user that he can use the keyboard arrows to change the kind of class.

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Resources :

• IntelliJ's YouTrack - In the "Create New Class" dialog box, an Up and Down arrow appears after the Name: field. They don't appear to do anything.