Imports Infragistics.Win
Imports Infragistics.Win.UltraWinTabs
Imports Infragistics.Win.UltraWinTabControl
Private Sub ultraTabControl1_ActiveTabChanged(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTabControl.ActiveTabChangedEventArgs) Handles ultraTabControl1.ActiveTabChanged
Debug.WriteLine("The tab with text '" + e.Tab.Text + "' has been activated")
If Not e.PreviousActiveTab Is Nothing Then
Debug.WriteLine("The previous active tab was: " + e.PreviousActiveTab.ToString())
End If
End Sub