/// <summary>
        /// User wants to quit. Confirms and exits
        /// </summary>
        private void onBack()
        {
            if (_isDirty)
            {
                if (DialogUtils.Confirm(this, R.GetString("SaveSettings")))
                {
                    _previewScreenInterface.SaveSettings();
                }
                else
                {
                    Context.AppWindowPosition = _initialWindowPosition;
                }
            }

            Windows.CloseForm(this);
        }
        /// <summary>
        /// User wants to quit. Confirms and exits
        /// </summary>
        private void onBack()
        {
            Log.Debug("chose back button.");

            if (_isDirty)
            {
                if (DialogUtils.Confirm(this, Resources.SaveSettings))
                {
                    _previewScreenInterface.SaveSettings();
                }
                else
                {
                    Context.AppWindowPosition = _initialWindowPosition;
                }
            }

            Windows.CloseForm(this);
        }