| void CBCGPRibbonButtonsGroup::AddButton | ( | CBCGPBaseRibbonElement * | pButton, | 
| int | nInsertAt = -1 | ||
| ) | 
Adds a button to group.
It's recommended to call SetImages() first.
| pButton | Points to a button to add. | 
| nInsertAt | Zero-based index or -1 if button should be added to the end of group. |