2.3.2 What Is Different Between Event-Driven and Procedural Programs?

There are some fundamental differences in how event-driven and procedural programs are designed and executed:

  • When executing Visual LANSA applications you perform actions directly on objects.

    In Universal UI functions you first choose an action, such as Add, which sets a mode in the program and then work on the object.
  • Also see

    The Code Is Always Associated With a Component

    Modes Are Not Needed because Actions Are Performed Directly

    The Code for a Mode Often Becomes an Event Routine

    Sequence of Actions Is Free

    You Create the Interface Graphically