CmisSync.OutlineViewDelegate.GetCell C# (CSharp) Метод

        public override NSCell GetCell(NSOutlineView view, NSTableColumn column, MonoMac.Foundation.NSObject item)
        {
            NSCmisTree cmis = item as NSCmisTree;
            if (cmis == null) {
                Console.WriteLine ("GetCell Error");
                return null;
            }
            if (column == null) {
                return null;
            } else if (column.Identifier == "Name") {
//                Console.WriteLine ("GetCell " + cmis);
                NSButtonCell cell = new NSButtonCell ();
                if (cmis.Parent != null)
                    cell.SetButtonType (NSButtonType.Switch);
                else
                    cell.SetButtonType (NSButtonType.Radio);
                cell.AllowsMixedState = true;
                cell.Title = cmis.Name;
                cell.Editable = true;
                return cell;
            } else {
                NSTextFieldCell cell = new NSTextFieldCell ();
                return cell;
            }
        }
    }