On Jan 28, 2010, at 5:52 AM, Michael Domino wrote:

> I have a hierarchical menu that places checkmarks next to sub-menu items
> when the user selects an item. If either of the sub-menu items are checked,
> I would like the top-level item to be checked. This works, but the top-level
> item does not update until the mouse rolls over any of the top level items
> to force an update

It sounds like you're trying to update the checked state during menu tracking. 
Don't do that. Instead, implement the UI validation protocol 
(-validateUserInterfaceItem:), and when asked to validate a particular action, 
set the 'selected' state of the menu item being validated.

—Jens

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