DisplayToggleSettingState
     (ToggleSettingManager tsm, string settingName, bool on)
 {
     MyContract.RequireFieldNotNull(tsm, settingName);
     tsm.SetInitialToggleGraphicState(on);
 }
 private void ToggleButton(ToggleSettingManager tsm, string settingName)
 {
     MyContract.RequireFieldNotNull(tsm, settingName);
     tsm.Toggle();
 }