private void ForetagNulKnap_Click(object sender, EventArgs e)
 {
     logik.StartNulPunkt();
     var hovedgui = new HovedGUI(logik);
     hovedgui.Show();
     this.Hide();
 }
 private void NejKnapNul_Click(object sender, EventArgs e)
 {
     var hovedgui = new HovedGUI(logik);
     hovedgui.Show();
     this.Hide();
 }