Advanced Windows Store App Development using C#: 070-485 Exam Premium File as PDF & Test Engine

You are developing a Windows Store app to view MP4 videos.
You need to ensure that when a user double-clicks an MP4 file, the app starts and plays back the video automatically.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

• A. Add an OnFileActivated event handler to the App.xaml.cs file.
• B. Modify the OnActivated event of the App.xaml.cs file to pass ProtocolActivatedEventArgs to the page if ActivatedEventArgs.Kind == ProtocolActivatedEventArgs.
• C. Add an AutoPlay Content declaration to the Appxmanifest file.
• D. Add a File Type Associations declaration to the Appxmanifest file.
• E. Add the Videos Library capability to the Appxmanifest file.

HOTSPOT
You are developing a Windows Store app.
The app must receive push notifications from a calling app by using Windows Push
Notification Service (WNS).
You have the following code:

Which code snippets should you insert in Target 1 and Target 2 to complete the code? (To answer, select the correct code snippet from each drop-down list in the answer area.)

You are developing a Windows Store app that integrates with a stock trading website on the Internet.
The app must meet the following requirements:
- The app must allow the user to view stock details. - The app must be able to get the updated stock information every five minutes from an Internet web service.
You need to configure the app to meet the requirements.
What should you do?

• A. Create a BackgroundDownloader object and then call the CreateDownloadAsync() method to specify the frequency of the stock information update.
• B. Enable the Lock Screen Notifications capability in the package.appxmanifest file.
• C. Add a Background Tasks declaration in the package.appxmanifest file and select the timer task type to collect stock information periodically.
• D. Enable the Home or Work Networking capability in the package.appxmanifest file.

DRAG DROP
You are developing a Windows Store app that logs error information to be used for troubleshooting.
You need to create a log that will contain the events to be used by Event Tracing for Windows (ETW).
You have the following code:

Which code snippets should you include in Target 1 and Target 2 to complete the code? (To answer, drag the appropriate code snippets to the correct targets in the answer area.
Each code snippet may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)