private void userPassButton_Click(object sender, RoutedEventArgs e)
        {
            userPassBorder.Background = purpleBrush;
            quickPinBorder.Background = grayBrush;

            userPassButton.Foreground = whiteBrush;
            quickPinButton.Foreground = blackBrush;

            loginUserPassUC           = new LoginUserPassUC();
            loginUserPassUC.LoggedIn += loginUserPassUC_LoggedIn;
            contentBorder.Child       = loginUserPassUC;
        }
        public LoginUC()
        {
            this.InitializeComponent();

            loginUserPassUC           = new LoginUserPassUC();
            loginUserPassUC.LoggedIn += loginUserPassUC_LoggedIn;
            contentBorder.Child       = loginUserPassUC;

            if (!LocalSetting.IsRegisterDevice)
            {
                tabGrid.Visibility = Visibility.Collapsed;
            }
            else
            {
                tabGrid.Visibility = Visibility.Visible;
            }
        }