How to validate text entered for a new node label in WinForms TreeViewAdv?

In WinForms TreeViewAdv , the NodeEditorValidating event used to validate the node's label text entered by the user.

C#

private void treeViewAdv1_NodeEditorValidating(object sender, TreeNodeAdvCancelableEditEventArgs e)
{
   if(e.Label.Length == 0)
   {
      //Cancel the label edit action, inform the user, and place the node in edit mode again.
      e.Cancel = true;
      MessageBox.Show("The label cannot be blank", "Node Label Edit");
      //To end editing mode,call:
      e.ContinueEditing = false;
   }
}

VB.Net

Private Sub treeViewAdv1_NodeEditorValidating(ByVal sender As Object, ByVal e As TreeNodeAdvCancelableEditEventArgs)
   If e.Label.Length = 0 Then
      ' Cancel the label edit action, inform the user, and place the node in edit mode again.
      e.Cancel = True
      MessageBox.Show("The label cannot be blank", "Node Label Edit")
      ' To end editing mode,call:
      e.ContinueEditing = false;
   End If
End Sub

Conclusion

I hope you enjoyed learning about how to validate text entered for a new node label in WinForms TreeViewAdv.

You can refer to our WinForms TreeViewAdv feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our WinForms TreeViewAdv example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!

Did you find this information helpful?

Yes

Comments (0)

How to validate text entered for a new node label in WinForms TreeViewAdv?

Access denied