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

        private void OnClearGroups(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 ClearGroups");

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

                    RaiseComponentChanging(propertyGroups);

                    // Need access to host in order to delete a component
                    IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));

                    // We need to remove all the groups from the tab
                    for (int i = _ribbonTab.Groups.Count - 1; i >= 0; i--)
                    {
                        KryptonRibbonGroup group = _ribbonTab.Groups[i];
                        _ribbonTab.Groups.Remove(group);
                        host.DestroyComponent(group);
                    }

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