Use this dialog box to specify options for the Move Inner to Outer Level refactoring command. You can use the Move Inner to Outer Level command to move an inner class up one level of hierarchy.
You can open the Move Inner to Outer Level dialog box by choosing Refactor > Move Inner to Outer Level after you have selected an inner class in the Source Editor, Projects window, or Files window.
The dialog box has the following fields:
If Preview All Changes is not selected, the refactoring is done immediately after you click Next.
Unless you clear the Preview All Changes checkbox, you need to follow these steps to complete the refactoring:
The Refactoring window opens and displays a tree view of the code to be affected by the refactoring.