You are developing a Windows Store app.
You are using the Model-View-ViewModel (MVVM) architectural pattern to design the app.
You need to identify the type of code to place in each layer.
How should you distribute the code? (To answer, drag the appropriate code segments to the correct locations
in the answer area. Each code segment 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.

You are developing a Windows Store app.
You need to create a class that handles INotifyPropertyChanqed events.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct
locations in the answer area. Each code segment maybe used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

You are developing a Windows Store app.
You need to identify the effects of applying Microsoft design principles to the user interface.
Which effects result from the design principles? (To answer, drag the appropriate effects to the correct
locations in the answer area. Each effect 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.)

You are developing a page for a Windows Store app.
You have the following requirements for the page:
– Display a button on the bottom app bar that allows the user to insert a picture. This button must bebound to
the Insert command in the view model.
– Display a button in the main content area of the page that allows the user to open documents. This button
must be bound to the Open command in the view model.
You need to ensure that the requirements are met.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct
locations in the answer area. Each code segment maybe used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

You are developing a page for a Windows Store app.
You have the following requirements for the page:
– Display a button on the bottom app bar that allows the user to insert a picture. This button must bebound to
the Insert command in the view model.
– Display a button in the main content area of the page that allows the user to open documents. This button
must be bound to the Open command in the view model.
You need to ensure that the requirements are met.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct
locations in the answer area. Each code segment maybe used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

You are developing a page for a Windows Store app. The app includes the following event handlers:
– The FillCommands event handler adds context-awarecommands to the app bar.
– The ClearCommands event handler clears context-aware commands from the app bar.
You have the following requirements:
– Fill the app bar when it is shown by using the FillCommands event handler.
– Clear the app bar when it is hidden by using the ClearCommands event handler. You need to subscribe to the
correct events on the app bar to meet the requirements.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct
locations in the answer area. Each code segment maybe used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

You are developing a Windows Store video-sharing app. Videos are represented in the app by a
VideoCollection class that contains a list of videos. The app includes the following code segment:

The app must support grouping by the VideoCollection object.
You need to bind a GridView control that can display and group the videos to a List<VideoCollection> collection
named VideoLibrary.
Which three actions should you perform in sequence?(To answer, move the appropriate actions from the list of
actions to the answer area and arrange them in the correct order.)

You are developing a Windows Store app.
You have the following requirements:
– The app tile must update every 30 minutes.
– Content must be pushed to the app tile from multiple URLs.
You need to schedule the app tile updates.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct
locations in the answer area. Each code segment maybe used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

You are developing a Windows Store checkers game.
Players will drag game pieces around the board on the screen by using mouse, finger, or pen gestures.
You need to ensure that game pieces move when they are dragged.
How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct
locations in the answer area. Each code segment maybe used once, more than once, or not at all. You may
need to drag the split bar between panes or scroll to view content.)

You are developing a Windows Store app.
You need to create a toast notification that will display an image and text.
Which code segment should you use?