Before you can work with an existing UI design it must be opened in the UI Design Editor view.
The design appears in a new UI Design Editor view.
The design appears in a new UI Design Editor view.
NOTE You can select multiple .uidesign files to open by Shift- or Ctrl-clicking file names. Shift-click to select a range of .uidesign files, Ctrl-click to select discontinuous files in the project.