I've created a custom document library which is defined through a Visual Studio solution. I also have ribbon customizations which add buttons. My problem is that these buttons do not display on the custom document library which was defined through a Visual Studio solution,; they only display on lists made through the SharePoint interface.
One such custom ribbon button:
I adding a second copy of this XML and setting the RegistrationId to the ListTemplateId but that didn't work.
If anyone has any advice it would be greatly appreciated.