Roaming dữ liệu trong Windows Store Apps

Bài viết này hướng dẫn cách roaming dữ liệu trong ứng dụng Windows Store sử dụng ApplicationData.

Đầu tiên, bạn tạo 2 file Roaming.xaml và Roaming1.xaml sử dựng Blank Page Template.

Code trang Roaming.xaml như sau:

public sealed partial class Roaming : Page
    {
        public Roaming()
        {
            this.InitializeComponent();
        }
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            ApplicationDataContainer roamingSettings = ApplicationData.Current.RoamingSettings;
            roamingSettings.Values["RoamingData"] = "This is data which has being roamed";
            this.lblData.Text = "This is example of roaming data.";
        }
        private void Roaming_Click(object sender, RoutedEventArgs e)
        {
            this.Frame.Navigate(typeof(Roaming1));
        }
    }

public sealed partial class Roaming1 : Page
    {
        public Roaming1()
        {
            this.InitializeComponent();
        }
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
 	        ApplicationDataContainer roamingSettings = ApplicationData.Current.RoamingSettings; 
            Object result = roamingSettings.Values["RoamingData"];
            this.lblRoaming.Text = result.ToString();
        }
    }

[Nghean-Aptech]