Indicates if this command item begins a menu or toolbar group.
[Visual Basic .NET] Public Property Group As Boolean
[C#] public bool Group {get; set;}
Product Availability
Available with ArcGIS Desktop.
Description
If Group is set to True, the command item is the first item in a group on a toolbar or menu. There will be a separator bar to the left of the command item. If Group is set to False, the command item does not have a separator bar to the left of it.