Preventing DoubleClick expand node behavior in TreeNodeAdv?

[Administrator]

All,

I would like to prevent the default "expand node" behavior that occurs when a node is double-clicked. I have my own tree derived from TreeViewAdv, and have tried overriding/newing OnDoubleClick, but the node keeps expanding.

Suggestions?

[Administrator]

Hi Keith,

You can prevent a Node from expanding by handling the BeforeExpand event. Preventing the node from expanding when clicked on is demonstrated by the following code snippet:

private void treeViewAdv1_BeforeExpand(object sender, Syncfusion.Windows.Forms.Tools.TreeViewAdvCancelableNodeEventArgs e)
{
Point controlPoint = this.treeViewAdv1.PointToClient(Control.MousePosition);

TreeNodeAdv node = this.treeViewAdv1.GetNodeAtPoint(controlPoint, true);

if (node != null)
{
if (node.TextBounds.Contains(controlPoint))
{
e.Cancel = true;
}
}
}

Please let me know if you have any questions regarding this technique.

Regards,
Gregory Austin
Syncfusion Inc.