<Grid>

         <Button

             Content="弹出通知"

             Click="Button_Click"/>

     </Grid>

         private async void Button_Click(object sender, RoutedEventArgs e)

         {

             ////创建对话框对象

             //MessageDialog dialog = new MessageDialog("吐司通知");

             ////展示对话框

             //await dialog.ShowAsync();

             //少用，就像网页中不要使用alert一样

             await new MessageDialog("弹出对话框").ShowAsync();

         }

     <Grid>

         <Button

             Content="吐司通知"

             Click="Button_Click_1"/>

     </Grid>

         private async void Button_Click_1(object sender, RoutedEventArgs e)

         {

             //获取基本吐司模版

             var toastTmpl = ToastNotificationManager.GetTemplateContent(ToastTemplateType.ToastText01);

             //填充模版占位符

             var textNode = toastTmpl.GetElementsByTagName("text").FirstOrDefault();

             if (textNode == null)

             {

                 await new Windows.UI.Popups.MessageDialog("shit").ShowAsync();

                 return;

             }

             //设置innerText

             textNode.InnerText = "Hello";

             //创建一个吐司通知对象

             var toastNotification = new ToastNotification(toastTmpl);

             //展示吐司通知

             //展示吐司通知需要一个展示对象

             ToastNotificationManager.CreateToastNotifier().Show(toastNotification);

         }