Progress
Language Reference


Events Reference

There are a number of factors that determine how Progress interprets events. The most important factor is the type of widget or handle receiving the event. Some widget types have default system actions in response to certain events. For example, the default system action for the A event on a fill-in widget is to insert the letter A into the fill-in at the current cursor location; however, there is no default system action for the A event on a button widget.

Different widget attribute settings determine how Progress interprets and prioritizes events. If you enable a widget for direct manipulation, direct manipulation events take priority over all other events. For example, if you write a trigger for a CHOOSE event and another for a SELECT event on a selectable widget, Progress only executes the SELECT event trigger when you click on that widget.

This chapter covers the following topics for user-interface events only:

User-interface events do not apply to SpeedScript programming.

For information on the following events, see the relevant documentation:


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