In the next release of your Windows Store app, you will include user authentication after users register for premium access. You will provide the option to your users to save their credentials and to log out from the app. A fully featured desktop version of the app is already available and it uses a simple dialog box for obtaining the credentials. How should you implement the authentication dialog box for your Windows Store app? (Choose all that apply.)

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C. Use the CredentialPicker class with the CredentialSaveOption property set to Selected. D. Use the PasswordVault class to store user credentials if the user opted to have them saved. E. Use the Settings charm to provide an option to the user to log out from the app.

Answer

A. Create a custom control that embeds a dialog box in which users enter their credentials.

Answer

B. Use the Settings charm to log on users with simple text fields to obtain their credentials.

In the next release of your Windows Store app, you will include user authentication after users register for premium access. You will provide the option to your users to save their credentials and to

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