docs-desktop/dotnet-desktop-guide/framework/winforms/controls/how-to-determine-which-treeview-node-was-clicked-windows-forms.md

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title	ms.date	dev_langs	f1_keywords	helpviewer_keywords	ms.assetid
How to: Determine Which TreeView Node Was Clicked	03/30/2017	csharp vb cpp	TreeNode	examples [Windows Forms], TreeView control tree nodes in TreeView control [Windows Forms], determining node clicked TreeView control [Windows Forms], determining node clicked	06a4a191-d918-42af-9f49-956c93eff261

How to: Determine Which TreeView Node Was Clicked (Windows Forms)

When working with the Windows Forms xref:System.Windows.Forms.TreeView control, a common task is to determine which node was clicked, and respond appropriately.

To determine which TreeView node was clicked

1. Use the xref:System.EventArgs object to return a reference to the clicked node object.

2. Determine which node was clicked by checking the xref:System.Windows.Forms.TreeViewEventArgs class, which contains data related to the event.

   Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, _  
   ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect  
      ' Determine by checking the Node property of the TreeViewEventArgs.  
      MessageBox.Show(e.Node.Text)  
   End Sub  
   

   protected void treeView1_AfterSelect (object sender,
   System.Windows.Forms.TreeViewEventArgs e)  
   {  
      // Determine by checking the Text property.  
      MessageBox.Show(e.Node.Text);  
   }  
   

   private:  
      void treeView1_AfterSelect(System::Object ^  sender,  
         System::Windows::Forms::TreeViewEventArgs ^  e)  
      {  
         // Determine by checking the Text property.  
         MessageBox::Show(e->Node->Text);  
      }  
   

   Note

   As an alternative, you can use the xref:System.Windows.Forms.MouseEventArgs of the xref:System.Windows.Forms.Control.MouseDown or xref:System.Windows.Forms.Control.MouseUp event to get the xref:System.Drawing.Point.X%2A and xref:System.Drawing.Point.Y%2A coordinate values of the xref:System.Drawing.Point where the click occurred. Then, use the xref:System.Windows.Forms.TreeView control's xref:System.Windows.Forms.TreeView.GetNodeAt%2A method to determine which node was clicked.

See also

• TreeView Control