usa_videos.xaml.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Windows.UI.Popups;

// The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=234238

namespace project_travel
{
    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class usa_videos : Page
    {
        int video_played = 0;
        public usa_videos()
        {
            this.InitializeComponent();
        }

        private void maps_button_Tapped(object sender, TappedRoutedEventArgs e)
        {
            // Navigate to the US map
            this.Frame.Navigate(typeof(usa_map));
        }

        private void checklist_button_Tapped(object sender, TappedRoutedEventArgs e)
        {
            // Navigate to CheckList
            this.Frame.Navigate(typeof(CheckList));
        }

        private void home_button_Tapped(object sender, TappedRoutedEventArgs e)
        {
            // Navigate to the MainPage
            this.Frame.Navigate(typeof(MainPage));
        }

        private void about_button_Tapped(object sender, TappedRoutedEventArgs e)
        {
            // Display the information about this program
            var dialog = new MessageDialog("2021 © Deniz K. Acikbas & Mohammad. This application is designed for Bon Voyage Hackathon organized by MLH.", "About");
            dialog.ShowAsync();
        }

        private void next_video_button_Tapped(object sender, TappedRoutedEventArgs e)
        {
            video_played++;
            media_player.Source = new Uri("ms-appx:///Assets/know_before_you_go.mp4");
            if (video_played == 1)
            {
                media_player.Source = new Uri("ms-appx:///Assets/welcome_to_the_us.mp4");
            } else if(video_played == 2)
            {
                media_player.Source = new Uri("ms-appx:///Assets/global_entry.mp4");
            }
            else {
                video_played = 0;
            }

        }
    }
}