Creating a nonvisual part
With VA Smalltalk, a nonvisual part is defined as a class in your application, just as a visual part is defined as a class in the application.
Here, the application is RoadRaceApp. If you have not already created it, use the Organizer pulldown menu Application > New.. to create it.
Create a nonvisual part by doing the following:
1. Select RoadRaceApp in the Organizer.
2. In the Organizer, select New from the basic Parts menu.
3. Type Runner as the name of your nonvisual part, select Nonvisual part from the Part type drop-down list, and then select OK.
The Composition Editor is opened on the Runner part.
4. Select Public Interface Editor symbolto open the Public Interface Editor on your Runner part.
Last modified date: 07/15/2020