private void OnSlidePanelPageDropDownClicked(object sender, CancelDropDownEventArgs e)
        {
            // Generate event so that the appropriate context menu options are presented and actioned
            KryptonDockingManager dockingManager = DockingManager;

            if (dockingManager != null)
            {
                e.Cancel = !dockingManager.ShowPageContextMenuRequest(e.Page, e.KryptonContextMenu);
            }
        }
 /// <summary>
 /// Raises the PageDropDownClicked event.
 /// </summary>
 /// <param name="e">An CancelDropDownEventArgs containing the event data.</param>
 protected virtual void OnPageDropDownClicked(CancelDropDownEventArgs e)
 {
     PageDropDownClicked?.Invoke(this, e);
 }