how to disable checkbox in treenode using vb.net

Check these:
http://stackoverflow.com/questions/698369/how-to-disable-a-winforms-treeview-node-checkbox
The second link is to remove but you can change that to disable.
http://www.dotnetspider.com/forum/ViewForum.aspx?ForumId=136838

see "Prevent selection of a node" from http://www.emoreau.com/Entries/Articles/2006/04/The-Treeview-control.aspx

At least http://a26071090 and http://a26071702 are providing good answer. You should split the points for those.

I have inserted wrong links, it should be:

At least http://#a26071090 and http://#a26071702 are providing good answer. You should split the points for those.

thank you