ES-975464 - Resolve the ReadMe issue in this sample repository

Author: SreemonPremkumarM

README.md

@@ -1,13 +1,19 @@
-# How to programmatically expand the root nodes in WinForms TreeViewAdv?
+# How to programmatically expand the root nodes in WinForms TreeView?
 
-You can expand the [Root](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeViewAdv.html#Syncfusion_Windows_Forms_Tools_TreeViewAdv_Root) nodes of the [WinForms TreeViewAdv](https://www.syncfusion.com/winforms-ui-controls/treeview) by using the [Expand](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeNodeAdv.html#Syncfusion_Windows_Forms_Tools_TreeNodeAdv_Expand) method of the node.
+This session explains how to programmatically expand the root nodes in [WinForms TreeView](https://help.syncfusion.com/windowsforms/treeview/overview) (TreeViewAdv).
 
-```csharp
+You can expand the [Root](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeViewAdv.html#Syncfusion_Windows_Forms_Tools_TreeViewAdv_Root) nodes of the [TreeViewAdv](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeViewAdv.html) by using the [Expand](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeNodeAdv.html#Syncfusion_Windows_Forms_Tools_TreeNodeAdv_Expand) method of the node.
+
+``` csharp
 TreeNodeAdv root = this.treeViewAdv1.Root;
 
 foreach (TreeNodeAdv node in root.Nodes)
 {
+    // Call the Expand method on each root node.
     node.Expand();
 }
+
 root.Expand();
 ```
+
+![How to programmatically expand the root nodes in WinForms TreeView](https://www.syncfusion.com/uploads/user/kb/wf/wf-28805/wf-28805_img1.png)