You can use the following code for doing that.
Private Sub TreeView1_DoubleClick(ByVal sender As Object, ByVal e As System.EventArgs) Handles TreeView1.DoubleClick
'you can call any other statements/functions here
Sadha Sivam S.
<b>For the people who post there querries,</b>
I kind request is, please post the questions more clearly. And also you should clearly tell what application you are developing. And in what language you are building your application.
Solutiona for Windows Apllication and Web application will be different in most of the cases.
<b>For the Dot Net Spider Team</b>
My kind request for the Dot net spider team, please categorise the questions posted also.