The CAPI provides a wide range of built-in panes, but it is still fairly common to need to create panes of your own. In order to do this, you need to specify both the input behavior of the pane (how it reacts to keyboard and mouse events) and its output behavior (how it displays itself). The class
is provided for this purpose.
is a fully functional graphics port. This allows it to use all of the graphics ports functionality to create graphics, and it also has a powerful input model which allows it to receive mouse and keyboard input.
CAPI User Guide (Macintosh version) - 30 Aug 2011