You are developing a user control for Windows Presentation Foundation (WPF) application.The user control contains a button. Both the user control and the hosting control must receive the button click event.You need to ensure that the user control responsd to the button click event before hosting control responds to the event.What should you do ?（）

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 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 are developing a Windows Presentation Foundation (WPF) application for a travel reservation systemYou need to ensure that users can select a range of travel dates.What should you do ?（）

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application has a window named MainWindow that has a StackPanel control named sp as the root element. You want to create a Button control that contains a TextBlock control with the "Save" Text property. You need to create the control dynamically and add the control to sp. Which code segment should you write in the constructor of the MainWindow class?（）

You use Microsoft .NET Framework 4 to create a Windows Forms application. You plan to use a Windows Presentation Foundation (WPF) control of the UserControl1 type hosted in anElementHost control named elementHost1. You write the following code segment. (Line numbers are included for reference only.)You need to ensure that the application changes the background color of the hosted control when the background color of the form changes.  Which code segment should you insert at line 05?（）

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 use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that displays an image.You need to ensure that users can stretch and scale the image. Which control should you use?（）

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows PresentationFramework (WPF) application. You have a page named myPage that contains the following code fragment. You need to ensure that other pages in your application can use CustomerNameBrush.  What should you do? （）

You have definded a style in app.xamlYou want to use this style in your application in code behind.How can you achieve this? （）