ComponentFactory.Krypton.Docking.KryptonDockingWorkspace.OnDockableWorkspaceBeforePageDrag C# (CSharp) Method

        private void OnDockableWorkspaceBeforePageDrag(object sender, PageDragCancelEventArgs e)
        {
            // Validate the list of names to those that are still present in the dockspace
            List<KryptonPage> pages = new List<KryptonPage>();
            foreach (KryptonPage page in e.Pages)
                if (!(page is KryptonStorePage) && (DockableWorkspaceControl.CellForPage(page) != null))
                    pages.Add(page);

            // Only need to start docking dragging if we have some valid pages
            if (pages.Count != 0)
            {
                // Ask the docking manager for a IDragPageNotify implementation to handle the dragging operation
                KryptonDockingManager dockingManager = DockingManager;
                if (dockingManager != null)
                    dockingManager.DoDragDrop(e.ScreenPoint, e.ElementOffset, e.Control, e.Pages);
            }

            // Always take over docking
            e.Cancel = true;
        }