On the Canvas toolbar, click
(Display events) to display an Events pane in your application window or to hide the currently open pane.
Use the Events pane to enable any associated events that can be called from objects placed on your screen. The pane displays available events for the screen or object that is currently selected.
The name of the currently selected object (screen or control) appears just below the pane header for reference.
In the pane title bar, you can select how to display the pane by default (whether to float, dock, auto-hide, or hide it), pin the pane in place, or close the pane. Unpinning (or hiding) a pane when not in use gains extra space for viewing your current screen or another open pane. Closing a pane can also occur from the pane title bar. The following icons are available:
See Customizing the Workspace for more information.