Added some comments

Author: anbare

BackgroundTaskComponent/ToastNotificationBackgroundTask.cs

@@ -50,6 +50,8 @@ public async void Run(IBackgroundTaskInstance taskInstance)
                 }
 
                 // Otherwise handle other background activations
+                else
+                    throw new NotImplementedException();
             }
 
             finally
@@ -86,6 +88,10 @@ private async Task HandleLike(ToastNotificationActionTriggerDetail details, Quer
             SendToast("Your like has been sent!");
         }
 
+        /// <summary>
+        /// Simple method to show a basic toast with a message.
+        /// </summary>
+        /// <param name="message"></param>
         private void SendToast(string message)
         {
             ToastContent content = new ToastContent()

Quickstart-Sending-Local-Toast/App.xaml.cs

@@ -49,14 +49,18 @@ protected override async void OnLaunched(LaunchActivatedEventArgs e)
             await OnLaunchedOrActivated(e);
         }
 
+        /// <summary>
+        /// Invoked when the application is activated by some means other than normal launching.
+        /// </summary>
+        /// <param name="e">Event data for the event.</param>
         protected override async void OnActivated(IActivatedEventArgs e)
         {
             await OnLaunchedOrActivated(e);
         }
 
         private async Task OnLaunchedOrActivated(IActivatedEventArgs e)
         {
-            // Initialize required items before the app is loaded
+            // Initialize things like registering background task before the app is loaded
             await InitializeApp();
 
 #if DEBUG

Quickstart-Sending-Local-Toast/MainPage.xaml.cs

@@ -27,6 +27,7 @@ private void ButtonSendToast_Click(object sender, RoutedEventArgs e)
             string logo = "ms-appdata:///local/Andrew.jpg";
             string conversationId = "384928";
 
+            // Construct the visuals of the toast
             ToastVisual visual = new ToastVisual()
             {
                 TitleText = new ToastText()
@@ -54,6 +55,7 @@ private void ButtonSendToast_Click(object sender, RoutedEventArgs e)
                 }
             };
 
+            // Construct the actions for the toast (inputs and buttons)
             ToastActionsCustom actions = new ToastActionsCustom()
             {
                 Inputs =