See some basics of visual programming
VA Smalltalk offers an untraditional way of programming: visual programming. With VA Smalltalk, once you create an application and a visual part, you can add the user interface and finish the application in a Composition Editor, doing much of the work with just a mouse. 
In the Composition Editor, you just: 
To customize the application, you can: 
•Change the parts' public interface so the parts can interact in a special way with other parts. 
Last modified date: 08/12/2019