Hi Simon,
Ah I see!
I put that "(Ribbon Helper)" bit in to make the display in the add-in
box clearer. It is the description for the COM Add-In that Excel-DNA
registers on the fly. I hadn't noticed that it appears in the ribbon
tooltip before.
I'll remove the extra bit or make some plan for the next version
(
http://exceldna.codeplex.com/workitem/6934).
(It's set in line 159 of ExcelDna.Integration\ExcelRibbon.cs, if you
want to make a custom version of Excel-DNA.)
The other parts of the tooltip popup are customised with "screentip"
and "supertip":
<button .... screentip="This is the screentip of button1"
supertip="This is the supertip of button1" />
and you can do a getSupertip callback.
(This looked like a useful series:
http://ribbon.anirdesh.com/. Search
in the Google group for other links.)
You have to look for the Microsoft Ribbon documentation to know what
further customization of the ribbon Excel makes possible.
Regards,
Govert