To open an existing UI design class, right-click the file name in the
Project Explorer view and select Open
With. Then, from the sub-menu, select OpenEdge ABL
Editor to display the source code, or OpenEdge Visual Designer to
display the design.
You can also simply double-click the file name in the
Project
Explorer view. Progress Developer Studio for OpenEdge opens the form
either in a Visual Designer editing window or in the ABL Editor, whichever you last
selected when opening the file with the
Open With command. If
you have not previously used
Open With for the file, it opens
in the Visual Designer.
Note: You cannot open multiple instances of the same file in
the Visual Designer. However, multiple instances of the file in the OpenEdge ABL
Editor (via the New Editor command) are allowed.