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Collapse Other Nodes of TreeView on Selection of One Node.

Thanks,
Murthy.
Posted 30-Dec-12 22:55pm
Comments
WajihaAhmed at 31-Dec-12 3:59am
   
What have you tried?

1 solution

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Solution 1

subscribe to the NodeMouseClick event on the treeview and add the code below

private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
    if (e.Node != null)
    {
        foreach (TreeNode tn in (e.Node.Parent != null ? e.Node.Parent.Nodes : treeView1.Nodes))
        {
            if (tn != e.Node)
            {
                tn.Collapse();
            }
        }
    }
}
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