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 roImageCanvas sends the roImageCanvasEvent with the following predicates that indicate its valid event types:
A remote key was pressed.
Returns the ID of the remote key which was pressed. Remote key IDs are listed under roUniversalControlEvent.
A button on the screen was selected.
Returns the ID of the button which was selected (the first parameter to AddButton).
The screen was closed and is no longer displayed to the user.