You are developing a Windows Presentation Foundation (W……

单项选择题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 ?（）

A. Restart Microsoft Internet Information Services (IIS). Then click the Install hyperlink again.
B. Open Visual Studio command prompt and run mage -cc. Then click the Install hyperlink again.
C. Delete the application, deployment, and executable files from Web Server. Then rebuild the XBAP solution files from the project bin directory to the Web Server and click the Install hyperlink again
D. Delete the application, deployment, and executable files from Web Server. Then recopy the same files to the Web Server, restart IIS and click the Install hyperlink again

单项选择题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?（）

A. Add a FlowDocumentReader control to the design surface. Then create a FlowDocument control.
B. Add a ContentControl control to the design surface. The reference a WebClient object to return an HTML string.
C. Add a DocumentViewer control to the design surface. The create a FixedDocument control.

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

A. Add single DatePicker control to the design surface
B. Add single Calendar control to the design surface
C. Add single MediaElement control to the design surface to display a calendar
D. Add the appropriate Windows Forms references to the project references. Add a single Windows Forms DateTimePicker control to the design surface

单项选择题You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a Button control for the application. You need to ensure that the application meets the following requirements: When the mouse pointer is over the Button control, the background color of the button is set to red and the Button control appears bigger. When the mouse pointer is not over the Button control, the button returns to its original state. What should you do?（）

A. Create a template. Declare a VisualState element in the template.
B. Create a StoryBoard animation. Add an EventTrigger class to the Button control that begins the StoryBoard animation.
C. Create a ScaleTransform class. Bind the ScaleX and ScaleY properties of the Button control to the Background property by using a custom value converter.
D. Add a method named ChangeAppearance in the code-behind file. Subscribe the ChangeAppearance  method to the MouseEnter event of the Button control.

单项选择题You are developing a Windows Presentation Foundation (WPF) application. An event triggers a workflow such that a parent control executes the event handlers before the child controls. You need to ensure that if a parent controls event handler encounters an error, the subsequent handlers are not called. What should you do?（）

A. Use handlers for a tunneling routed event and mark the event as handled in the case of a problem.
B. Use handlers for a tunneling routed event and make the event as handled in the finally portion of a try-catch-finally code block.
C. Use handlers for a bubbling routed event and mark the event as handled in the case of a problem.
D. Use handlers for a bubbling routed event and set the Handled property of the RoutedEventArgs object to true in the catch portion of a try-catch-finally code block.