Once you complete an application and a view part, it's a good idea to periodically display the part and see if it functions properly.
Using the Test tool
While in a Composition Editor, Script Editor, or the VisualAge Organizer,
you can display a visual part that has a window or form. Just click on
(the Test tool) in the tool bar.
Running a Smalltalk statement
If you have ready access to the System Transcript window, you might want to run some Smalltalk code to display the part.
To display a VisualAge part that has a window or form:
<part name> new openWidget
To display a Smalltalk class that has a window:
<part name> new open