You set the .SelectedNode property. However, it sounds like
you've incorporated too much logic in the click event.
You should have a separate method that includes the logic
and is called in the click event.

Signature
Robbe Morris
.NET PropertyGrid Control - ListBox, ComboBox, and Custom Classes
http://www.eggheadcafe.com/tutorials/aspnet/270e9432-d236-47e7-b1af-5cd3abe27a75
/net-propertygrid-control.aspx
> Is it possible to programmatically click (and make node checked also) on
> the desired treeview (System.Windows.Forms.TreeView) node.
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> Thanks in advance
> Sanjin