private void OnMovePrevious(object sender, EventArgs e)
        {
            if ((_ribbonLabel != null) && (_ribbonLabel.Ribbon != null))
            {
                // Get access to the parent collection of items
                TypedRestrictCollection <KryptonRibbonGroupItem> items = ParentItems;

                // Use a transaction to support undo/redo actions
                DesignerTransaction transaction = _designerHost.CreateTransaction("KryptonRibbonGroupLabel MovePrevious");

                try
                {
                    // Get access to the Items property
                    MemberDescriptor propertyItems = TypeDescriptor.GetProperties(_ribbonLabel.RibbonContainer)["Items"];

                    RaiseComponentChanging(propertyItems);

                    // Move position of the triple
                    int index = items.IndexOf(_ribbonLabel) - 1;
                    index = Math.Max(index, 0);
                    items.Remove(_ribbonLabel);
                    items.Insert(index, _ribbonLabel);
                    UpdateVerbStatus();

                    RaiseComponentChanged(propertyItems, null, null);
                }
                finally
                {
                    // If we managed to create the transaction, then do it
                    transaction?.Commit();
                }
            }
        }
        private void OnMoveLast(object sender, EventArgs e)
        {
            if ((_ribbonCheckBox != null) && (_ribbonCheckBox.Ribbon != null))
            {
                // Get access to the parent collection of items
                TypedRestrictCollection <KryptonRibbonGroupItem> items = ParentItems;

                // Use a transaction to support undo/redo actions
                DesignerTransaction transaction = _designerHost.CreateTransaction("KryptonRibbonGroupCheckBox MoveLast");

                try
                {
                    // Get access to the Items property
                    MemberDescriptor propertyItems = TypeDescriptor.GetProperties(_ribbonCheckBox.RibbonContainer)["Items"];

                    RaiseComponentChanging(propertyItems);

                    // Move position of the triple
                    items.Remove(_ribbonCheckBox);
                    items.Insert(items.Count, _ribbonCheckBox);
                    UpdateVerbStatus();

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