ComponentFactory.Krypton.Ribbon.KryptonRibbonTabDesigner.OnAddGroup C# (CSharp) Method

        private void OnAddGroup(object sender, EventArgs e)
        {
            if ((_ribbonTab != null) &&
                (_ribbonTab.Ribbon != null) &&
                 _ribbonTab.Ribbon.RibbonTabs.Contains(_ribbonTab))
            {
                // Use a transaction to support undo/redo actions
                DesignerTransaction transaction = _designerHost.CreateTransaction("KryptonRibbonTab AddGroup");

                try
                {
                    // Get access to the Groups property
                    MemberDescriptor propertyGroups = TypeDescriptor.GetProperties(_ribbonTab)["Groups"];

                    RaiseComponentChanging(propertyGroups);

                    // Get designer to create the new group component
                    KryptonRibbonGroup group = (KryptonRibbonGroup)_designerHost.CreateComponent(typeof(KryptonRibbonGroup));
                    _ribbonTab.Groups.Add(group);

                    RaiseComponentChanged(propertyGroups, null, null);
                }
                finally
                {
                    // If we managed to create the transaction, then do it
                    if (transaction != null)
                        transaction.Commit();
                }
            }
        }