This component is deprecated.
Beginning July 1st, 2017, any new channels using this component will be rejected during certification.
Beginning January 1st, 2018, any updates to existing channels using this component will be rejected during certification.
The roTextScreen sends the roTextScreenEvent with the following predicates that indicate its valid event types:
isButtonPressed() as Boolean
A button on the screen was selected.
GetIndex() as Integer
Returns the ID of the button which was selected (the first parameter to AddButton).
isScreenClosed() as Boolean
The screen was closed and is no longer displayed to the user.