Private Sub txtSuchen_Change()
Dim iCounter As Integer
For iCounter = 0 To lstSuchen.ListCount - 1
If UCase(Left(lstSuchen.List(iCounter), _
Len(txtSuchen.Text))) = UCase(txtSuchen.Text) Then
lstSuchen.Selected(iCounter) = True
Exit Sub
End If
Next iCounter
End Sub