You are developing an outofbrowser application by using Silverlight 4. The application contains the following code segment. (Line numbers are included for reference only.)

01 public partial class App : Application
02 {
03 public App()
04 {
05 this.Startup += this.Application_Startup;
06 InitializeComponent();
07 }
08 void Application_Startup(object sender, StartupEventArgs e)
09 {
10 this.RootVisual = new MainPage();
11
12 }
13 }

You need to ensure that when a new version of the application is available, it is automatically installed and the user is notified.
Which code segment should you insert at line 11?

You are developing a Silverlight 4 application. The application contains the following code segment. (Line numbers are included for reference only.)

01 public partial class App : Application
02 {
03 public App()
04 {
05 this.UnhandledException += this.AppUnhandledException;
06 InitializeComponent();
07 }
08
09
private void AppUnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
10 {
11
12 }
13 }
You need to ensure that unhandled exceptions in the application are prevented from being thrown to the page that hosts the application. Which code segment should you insert at line 11?

You are developing a Silverlight 4 application. The application has a user control named HomePage.xaml and an Application class named App.xaml. HomePage.xaml must be displayed when the application is started. You need to set HomePage.xaml as the initial page of the application. What should you do?

You are developing a browser hosted application by using Silverlight 4. The application runs in partial trust and uses the copy and paste functionality.
The application contains the following XAML fragment.
<TextBox x:Name=”textBoxClipBoard” />
You need to retrieve the contents of the Clipboard and display the contents in the TextBox. Which XAML fragment or code segment should you use?

You are developing a Silverlight 4 application. The Web page of the application contains a Text Box that has the txtTime ID. You define the following JavaScript function on the Web page.
function ShowTime(strTime) {
document.getElementById(‘txtTime’).value = strTime;
}
You need to pass the current time to the ShowTime function from Silverlight. Which code segment should you use?