You can capture the controls onKeyPress event adn try using send keys to change the neter key into the right key
Private Sub dateTimepicker1_KeyPress(sender As Object, e As System.Windows.Forms.KeyPressEventArgs) _
Handles dateTimepicker1.KeyPress
If e.KeyChar == 13 Then
SendKeys.Send("{right}");
e.Handled = True
End If
End Sub
Give this a try, let us know how it works