ES-975464 - Modified the code changes and added the image

Author: SreemonPremkumarM

README.md

@@ -1,6 +1,6 @@
-# How to bind selected items in WPF TreeView
+# How to Bind Selected Items in WPF TreeView?
 
-This repository describes how to bind selected items in WPF TreeView (SfTreeView).
+This repository describes how to bind selected items in [WPF TreeView](https://www.syncfusion.com/wpf-controls/treegrid) (SfTreeView).
 
 TreeView support to select multiple items through binding the [SelectedItems](https://help.syncfusion.com/cr/wpf/Syncfusion.UI.Xaml.TreeView.SfTreeView.html#Syncfusion_UI_Xaml_TreeView_SfTreeView_SelectedItems) property from view model with `ObservableCollection<object>` type.
 
@@ -29,6 +29,7 @@ public class ViewModel : NotificationObject
     public ObservableCollection<Model> Items { get; set; }
 
     public ObservableCollection<object> SelectedNodes { get; set; }
+
     public ViewModel()
     {
         Items = new ObservableCollection<Model>();
@@ -86,4 +87,6 @@ public class ViewModel : NotificationObject
         SelectedNodes.Add(aus_state2);
     }        
 }
-```
+```
+
+![TreeView with two nodes selected by binding SelectedItems property](TreeViewWithTwoNodesSelected.png)