private void SettingsPane_CommandsRequested(SettingsPane sender, SettingsPaneCommandsRequestedEventArgs args)
        {
            SettingsCommand cmd = new SettingsCommand("sample", "About", (x) =>
            {
                _settingsPopup                       = new Popup();
                _settingsPopup.Closed               += OnPopupClosed;
                Window.Current.Activated            += OnWindowActivated;
                _settingsPopup.IsLightDismissEnabled = true;
                _settingsPopup.Width                 = _settingsWidth;
                _settingsPopup.Height                = _windowBounds.Height;

                AboutSettings mypane = new AboutSettings();
                mypane.Width         = _settingsWidth;
                mypane.Height        = _windowBounds.Height;

                _settingsPopup.Child = mypane;
                _settingsPopup.SetValue(Canvas.LeftProperty, _windowBounds.Width - _settingsWidth);
                _settingsPopup.SetValue(Canvas.TopProperty, 0);
                _settingsPopup.IsOpen = true;
            });

            args.Request.ApplicationCommands.Add(cmd);
        }
        private void SettingsPane_CommandsRequested(SettingsPane sender, SettingsPaneCommandsRequestedEventArgs args)
        {
            SettingsCommand cmd = new SettingsCommand("sample", "About", (x) =>
                {
                    _settingsPopup = new Popup();
                    _settingsPopup.Closed += OnPopupClosed;
                    Window.Current.Activated += OnWindowActivated;
                    _settingsPopup.IsLightDismissEnabled = true;
                    _settingsPopup.Width = _settingsWidth;
                    _settingsPopup.Height = _windowBounds.Height;

                    AboutSettings mypane = new AboutSettings();
                    mypane.Width = _settingsWidth;                    
                    mypane.Height = _windowBounds.Height;

                    _settingsPopup.Child = mypane;
                    _settingsPopup.SetValue(Canvas.LeftProperty, _windowBounds.Width - _settingsWidth);
                    _settingsPopup.SetValue(Canvas.TopProperty, 0);
                    _settingsPopup.IsOpen = true;
                });

            args.Request.ApplicationCommands.Add(cmd);
        }