强烈地将RibbonButtons列入Adin山谷集
原文：Dynamically adding RibbonButtons in Word Addin throws Collection is readonly

I am fairly new to Word AddIns and trying to add Ribbon Group(s). for each RibbonGroup i dynamically add RibbonMenu and then add RibbonButtons to menu inside a Group. I got the groud work and it ...