You are developing a Universal Windows Platform (UWP) app that uses XAML and C#. The app must use the Model-View-ViewModel (MVVM) pattern. The user interface (UI) triggers an event. You need to bind the event to a view model method.…

You are designing a roadside assistance mobile app. The app displays a persistent list of links to pages. The pages provide a quick way to move between different views of the app. You need to recommend a user interface pattern…

You have to connect your app to an online identity provider that uses OAuth authentication protocol. The app must securely use the WebAuthenticationBroker object for authentication. You need to ensure that the app registers with the provider. Which two actions…

You must create a control that meets the following requirements: allows you to extend the behavior of a combo box allows the arrow image that is located at the right edge of a standard control to be replaced with a…

You have a Universal Windows Platform (UWP) app. The app has a page that includes the following XAML markup. Line numbers are included for reference only. Users report that the page takes a long time to refresh. You need to…

You have two Universal Windows Platform (UWP) apps named Catalog and Research, respectively. You need to create a service in the Catalog app that can be queried by the Research app. Which three tasks should you perform? Each correct answer…

You are developing a Universal Windows Platform (UWP) app. You need to provide a solution that moves the scroll bars of the ScrollViewer when a user rotates the mouse wheel. Which two actions should you perform? Each correct answer presents…

Note: This question-is part of a series of questions that present the same scenario. Each question-in the series contains a unique solution. Determine whether the solution meets the stated goals. You are developing a Universal Windows Platform (UWP) app. Your…