I ran across this code today.  This would be a good example of how NOT to dispose a dialog form.  It seems that "someone" though it would be a good idea to dispose the form only when an exception occurred?!?  Genius.  Unfortunately, I was the genius.  I should really watch my caffeine consumption!  Oh well, it's good to laugh at your own "creativity" once in a while... right? :-P

---

Dim frm As MyForm

Try
   frm = New MyForm
   With frm
      .StartPosition = FormStartPosition.CenterParent
      .Width = 650
      .Height = 600
      .ShowDialog()
   End With

Catch ex As Exception 'this should "probably" be "finally"
   If Not frm Is Nothing Then
      frm.Dispose()
   End If

End Try