Look at the "Handling Events (dynamic)" section of this article to see how to do this:
Step by Step: Event handling in VB.NET[
^]
Basically, it would look like this:
AddHandler engine.SpeechRecognized, AddressOf Me.HandleSpeechRecognized
You would then need to have a Sub to handle the event, like so:
Public Sub HandleSpeechRecognized(ByVal sender As Object, _
ByVal e As System.EventArgs)
End Sub