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How to make AfterCheck event to trigger when a node's text is clicked in WinForms TreeViewAdv?

1 min read

Handle MouseDown event

It is possible to get the AfterCheck event triggered when a node's text is clicked instead of the checkbox by handling MouseDown event along with the PointToClient and PointToNode method using WinForms TreeView.

C#

private void treeViewAdv1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
   if(e.Button == MouseButtons.Left)
   {
       // Get the point where the mouse was left clicked
       Point p = this.treeViewAdv1.PointToClient(Control.MousePosition);
       // Get the node at the left click point
       TreeNodeAdv node = this.treeViewAdv1.PointToNode(p);
       if(node != null)
       {
           // See if the label was clicked on
           if(node.TextAndImageBounds.Contains(p))
           {
               node.Checked =!node.Checked;
           }
       }
   }
}

VB

Private Sub treeViewAdv1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs)
   If e.Button = MouseButtons.Left Then
       ' Get the point where the mouse was left clicked
       Dim p As Point = Me.treeViewAdv1.PointToClient(Control.MousePosition)
       ' Get the node at the left click point
       Dim node As TreeNodeAdv = Me.treeViewAdv1.PointToNode(p)
       If Not node Is Nothing Then
           ' See if the label was clicked on
           If node.TextAndImageBounds.Contains(p) Then
               node.Checked =Not node.Checked
           End If
       End If
   End If
End Sub

 

Conclusion

I hope you enjoyed learning how to make aftercheck event to trigger when a nodes text is clicked in WinForms TreeViewAdv.

You can refer to WinForms TreeView 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 TreeView 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 forumsDirect-Trac, or feedback portal. We are always happy to assist you!

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