1 private void AddCamera(VideoSourceInfo vInfo)
 2         {
 3             Action action = new Action(() => 
 4             {
 5                 TreeViewItem treeViewItem = new TreeViewItem();
 6                 Style myTreeViewItemStyle = this.FindResource("TreeViewItemStyle2") as Style;
 7                 if (myTreeViewItemStyle == null)
 8                 {
 9                     return;
10                 }
11                 treeViewItem.FontSize = 14;
12                 treeViewItem.Foreground = new SolidColorBrush(Color.FromRgb(56, 153, 250));
13                 treeViewItem.Style = myTreeViewItemStyle;
14 
15                 treeViewItem.Header = vInfo.Name;
16 
17                 treeViewItem.Tag = vInfo;
18                 tvCameraList.Items.Add(treeViewItem);
19             });
20             this.Dispatcher.BeginInvoke(action);
21         }