Invert.Core.GraphDesigner.DiagramViewModel.NothingSelected C# (CSharp) Method

        public void NothingSelected()
        {
            var items = SelectedNodeItems.OfType<ItemViewModel>().Where(p => p.IsEditing).ToArray();
            if (items.Length > 0)
            {
                InvertApplication.Execute(() =>
                {
                    foreach (var item in items)
                    {
                        item.EndEditing();

                    }
                });
            }

            DeselectAll();

            //InvertGraphEditor.ExecuteCommand(_ => { });
        }

 public override void OnMouseDown(MouseEvent mouseEvent)
 {
     base.OnMouseDown(mouseEvent);
     DiagramViewModel.LastMouseEvent = mouseEvent;
     if (DrawersAtMouse == null)
     {
         return;
     }
     if (!DrawersAtMouse.Any())
     {
         DiagramViewModel.NothingSelected();
         if (mouseEvent.ModifierKeyStates.Ctrl)
         {
             DiagramViewModel.ShowQuickAdd();
         }
         mouseEvent.Begin(SelectionRectHandler);
     }
     else
     {
         BubbleEvent(d => d.OnMouseDown(mouseEvent), mouseEvent);
     }
 }