COMMENTS

The combo box can expand or clloapse its children, and MSDN also says it should support ExpandCollapsePattern.
 
EPRO

1. Launch F-Spot, click "Tags" --> "Create New Tag..." on the menu bar.
2. Launch UIA Explore.           
3. Expand the "Create New Tag" tree on the left of UIA Explore, and expand the
first pane control, select combobox under it.
4. In Ipy Script shell, input the following command:
    patterns = acc.GetSupportedPatterns()
    for pattern in patterns:
        print Automation.PatternName(pattern)


RESULTS

You get nothing in the shell.

EXPECTED RESULTS

There should be 'ExpandCollapse' at least.