oa-show-type-hierarchy

Displays the ancestors of and descendants of the type or subtype at the current cursor location. If the cursor is not in a subtype, the following error message is sent to the status pane: ``Couldn't find type hierarchy for object".

From a line in the type hierarchy reference buffer, you can jump to the corresponding source code line by:

• Pressing RETURN
• Clicking within the square brackets, e.g. [chars 123]