Use the following steps to modify an existing control interface in the IDE:

• Click on the File tab on the main menu.



• Click on the Open Interface button on the File menu.
  
  

A drop-down list of recently-opened control interfaces will appear beneath the Open Interface button. Select one of the recently-opened control interfaces by clicking on the desired control interface, or select another control interface by clicking on the Open Interface from Folder button at the bottom of the list of recently-opened control interfaces.