You program the callback function in the ribbon's XML. See this:

http://msdn2.microsoft.com/en-us/lib... rs_Callbacks

On Nov 4, 8:46 pm, thevelvet
wrote:
I'm not good at English... sorry

I added custom ribbon(menu) in excel 2007

When menu changed(ex. home, insert, data....) I'd like to show message box.

But I can't find Ribbon click or change event... where is it?