You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You need to ensure that users can view content in a book-reading format that displays two pages at a time. Which control should you use?（）

Which of the following examples of the pack URI syntax accesses a file named myImage.jpg in a folder named MyFolder in another assembly named myAssembly? （）

You are developing a Windows Presentation Foundation (WPF) application.You need to display HTML content from a Web Page on the WPF form. What should you do?（）

You upgrade a Windows Forms application to Microsoft .NET Framework 4. The application was developedby using a previous version of the .NET Framework. The application uses the Code Access Security (CAS) policy for file access. When the application is executed, you receive the following exception:  "NotSupportedException: This method uses CAS policy, which has been obsoleted by the .NET Framework." You need to resolve the error. What should you do?（）

You are developing a Windows Presentation Foundation (WPF) application. All of the application styles are in the file name Themes.dllYou have the followiing markup segment.BlueBackground is defined in a XAML file named BlueTheme.xaml. The XAML markup is compiled into the Themes.dll file.You need to ensure that the XAML file is referenced so that the application can apply the settings in the BlueBackground style.（）

You use Microsoft Visual Studio 2010 and Microsoft . NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a WPF window in the application.  You add the following code segment to the application. public class ViewModel { public CollectionView Data { get; set; } }public class BusinessObject { public string Name { get; set; } }The DataContext property of the window is set to an instance of the ViewModel class.  The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects. You add a TextBox control to the Window. You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object.  You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A . Which binding expression should you use?（）

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.  The application displays a list of books. You write the following code fragment. (Line numbers are included for reference only.)You need to ensure that book titles that are out of stock appear in red.Which code fragment should you insert at line 12?（）

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code segment. (Line numbers are included for reference only.) the TextBox control is data-bound to an instance of the Contact class.  You need to ensure that the Contact class contains a business rule to ensure that the ContactName property is not empty or NULL.You also need to ensure that the TextBox control validates the input data. Which two actions should you perform?（）

You are developing and XBAP application for your company intranet. During several development iterations, you manually executable, application, and deployement manifest to the test Web Server. You create an HTML file that has a manifest that you use for testing. During the next iteration, you enchance the XBAP application by making changes.When you use the hyperlink to the deployment manifest to test the deployment, you do not see the changes.You need to ensure that the changes you make are visible when you test the deployment from your machine.What should you do ?（）

You are developing WPF application for managing student information... btnSort and a DataGrid control named dgStudents on the design surface of the MainWindow.xaml properties : FirstName and LastName. You create the following code segment in the constructor of...The DataGrid control displays the list of students unsorted.You need to ensure that the list of students is sorted by last name.Which code segment should you add to the click event handler of the Button control？（）