How to search TreeNodeAdv based on its tag value in WinForms TreeViewAdv

How to search TreeNodeAdv based on its tag value in WinForms TreeViewAdv?

Author: vijayarasan

README.md

@@ -1,2 +1,49 @@
 # How to search tree node based on its tag value in winforms treeviewadv?
-This example explains how to search tree node based on its tag value in winforms treeviewadv.
+
+## Search TreeNodeAdv based on its tag value
+
+In **TreeViewAdv**, you can filter **TreeNodeAdv** based on its Tag value. The following code example demonstrates the same.
+
+**C# Code Snippet:**
+
+```C#
+List<TreeNodeAdv> nodes;
+//To search all nodes
+nodes = treeViewAdv1.SearchTree().Where(n => n.Tag == "Search node").ToList();
+public static class SOExtension
+{
+    public static IEnumerable<TreeNodeAdv> SearchTree(this TreeViewAdv treeView)
+    {
+        return SearchTree(treeView.Nodes);
+    }
+    public static IEnumerable<TreeNodeAdv> SearchTree(this TreeNodeAdvCollection coll)
+    {
+        return coll.Cast<TreeNodeAdv>().Concat(coll.Cast<TreeNodeAdv>().SelectMany(x => SearchTree(x.Nodes)));
+    }
+}
+
+```
+
+**VB Code Snippet:**
+
+```VB
+Private nodes As List(Of TreeNodeAdv)
+'To search all nodes
+nodes = treeViewAdv1.FlattenTree().Where(Function(n) n.Tag = "Search node").ToList()
+Public Module SOExtension
+    <System.Runtime.CompilerServices.Extension()> _
+    Public Function SearchTree(ByVal treeView As TreeViewAdv) As IEnumerable(Of TreeNodeAdv)
+        Return SearchTree(treeView.Nodes)
+    End Function
+    <System.Runtime.CompilerServices.Extension()> _
+    Public Function SearchTree(ByVal coll As TreeNodeAdvCollection) As IEnumerable(Of TreeNodeAdv)
+        Return coll.Cast(Of TreeNodeAdv)().Concat(coll.Cast(Of TreeNodeAdv)().SelectMany(Function(x) SearchTree(x.Nodes)))
+    End Function
+End Module
+
+```
+
+The following screenshot illustrates the search TreeNodeAdv by using its Tag value.
+ 
+![Search TreeNodeAdv by using its tag value](Searchbytagvalue.png)
+