Snoop.SnoopUI.HandleRefresh C# (CSharp) Method

        private void HandleRefresh(object sender, ExecutedRoutedEventArgs e)
        {
            Cursor saveCursor = Mouse.OverrideCursor;
            Mouse.OverrideCursor = Cursors.Wait;
            try
            {
                object currentTarget = this.CurrentSelection != null ? this.CurrentSelection.Target : null;

                this.visualTreeItems.Clear();

                this.Root = VisualTreeItem.Construct(this.root, null);

                if (currentTarget != null)
                {
                    VisualTreeItem visualItem = this.FindItem(currentTarget);
                    if (visualItem != null)
                        this.CurrentSelection = visualItem;
                }

                this.SetFilter(this.filter);
            }
            finally
            {
                Mouse.OverrideCursor = saveCursor;
            }
        }