private void EmailCH_Click(object sender, RoutedEventArgs e)
        {
            ChangeWindow PopUpManagement = new ChangeWindow();
            LoginUI      Emailview       = new LoginUI(this, PopUpManagement, a = 3);

            PopUpManagement.StackContent.Children.Add(Emailview);
            Emailview.Llbl.Content = "Nowy e-mail";
            PopUpManagement.Show();
        }
        private void CityCH_Click(object sender, RoutedEventArgs e)
        {
            ChangeWindow PopUpManagement = new ChangeWindow();
            LoginUI      Cityview        = new LoginUI(this, PopUpManagement, a = 4);

            PopUpManagement.StackContent.Children.Add(Cityview);
            Cityview.Llbl.Content = "Nowe miasto";
            PopUpManagement.Show();
        }
        private void LoginCH_Click(object sender, RoutedEventArgs e)
        {
            ChangeWindow PopUpManagement = new ChangeWindow();
            LoginUI      Loginview       = new LoginUI(this, PopUpManagement, a = 1);

            PopUpManagement.StackContent.Children.Add(Loginview);
            Loginview.Llbl.Content = "Nowy login";
            PopUpManagement.Show();
        }