You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a property named ServiceContext to a control. You need the value of ServiceContext to flow to the child controls exactly like the value of the Dat

第1题：

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?（）

• A、 FlowDocument 
• B、 FlowDocumentReader
• C、 FlowDocumentPageViewer
• D、 FlowDocumentScrollViewer

第2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.

第3题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. The number of items of the data-bound collection is fixed. However, users can modify the properties of each of the Product objects in the collection. You need to ensure that changes made on the Product objects are automatically reflected in the ListBox control. What should you do?（）

• A、 Implement the INotifyPropertyChanged interface in the Product class.
• B、 Implement the INotifyCollectionChanged interface in the ProductList class.
• C、 Set the Mode property of the Binding object of the ListBox control to TwoWay.
• D、  Set the UpdateSourceTrigger property of the Binding object of the ListBox control to PropertyChanged.

第4题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You need to ensure that the application meets the following requirements: Displays a menu that is specific to the control selected by the user. Displays the menu next to the control. Which control should you use? （）

• A、 Menu
• B、 PopUp
• C、 ListBox
• D、 ContextMenu

第5题：

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?（）

• A、 { Binding Path=Data/Name, FallbackValue='N/A' }
• B、 { Binding Path=Data.Name, FallbackValue='N/A' }
• C、 { Binding Path=Data/Name, TargetNullValue='N/A' } 
• D、 { Binding Path=Data.Name, TargetNullValue='N/A' }

第6题：

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You discover that when the application runs, a user control is not rendered correctly. You need to find out the user interface (UI) element of the window that is causing the rendering problem. What should you do?（）

• A、 Use the Local Window.
• B、 Use the WPF Visualizer.
• C、 Generate a trace log by using IntelliTrace.
• D、 Set a breakpoint at the control. Run the application.

第7题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You use the ClickOnce deployment methodology to distribute the application. You need to store application-specific data along with read/write permissions without requiring elevated permissions for the application. Where should you store the application data?（）

• A、 In isolated storage.
• B、 On the database server.
• C、 In the ClickOnce data directory.
• D、 In the App.config file of the application.

第8题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList. You need to ensure that changes to ProductList are automatically reflected in the ListBox control. What should you do? （）

• A、  Implement the INotifyPropertyChanged interface in the Product class.
• B、  Implement the IQueryable<Product> interface in the ProductList class.
• C、  Extend the DependencyObject class in the Product class.
• D、 Extend the ObservableCollection<Product> class in the ProductList class.

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第13题：

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?（）

• A、 Frame
• B、 Slider
• C、 Viewbox
• D、 ScrollViewer

第14题：

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You plan to implement a test strategy for the application. You need to ensure that the test strategy meets the following requirements: Test data can be added to the test project without recompiling. Multiple variations of a test can be executed at run time. What should you do? （）

• A、 Use IntelliTrace.
• B、 Use data-driven tests.
• C、 Create a single test class.
• D、 Create a test method for each data variation.

第15题：

You create a Microsoft Windows Installer file for a Windows Presentation Foundation (WPF) application that requires Microsoft .NET Framework 4. You need to ensure that the installation starts only if .NET Framework 4 is already installed on the computer. What should you do?（）

• A、 Use a custom action. 
• B、 Set the MinVersion property to .NET Framework 4.
• C、 Set the Version property of Windows Installer to .NET Framework 4.
• D、 Set the Version property of the Launch Condition to .NET Framework 4.

第16题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application has multiple data entry windows. Each window contains controls that allow the user to type different addresses for shipping and mailing. All addresses have the same format. You need to ensure that you can reuse the controls. What should you create?（）

• A、 a user control
• B、 a data template
• C、 a control template
• D、 a control that inherits the Canvas class

第17题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a custom control named Wheel. You need to ensure that the Speed property of Wheel can be animated. What should you do?（）

• A、 Inherit the DependencyObject class.
• B、 Declare the Speed property as a dependency property.
• C、 Declare an animation of the Speed property from within the code-behind file.
• D、 Implement the System.Windows.Media.Animation.IAnimatable interface with the Wheel class.

第18题：

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application uses data-bound controls. You discover that when the application is executed by users, one of the controls is not displayed properly. You need to view the property values assigned to the controls. What should you do?（）

• A、 Use IntelliTrace. 
• B、 Use PresentationTraceSource.
• C、 Run the application in debug mode with Visual Studio 2010. Use the Auto window while you step through the application code.
• D、 Run the application in debug mode with Visual Studio 2010. Use the WPF Visualizer while you step through the application code.

第19题：

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application contains a ListBox control named lbxItems that is data-bound to a collection of objects. Each object has a DisplayValue property. You add a Button control to the application. You need to ensure that the Content property of the Button control is data-bound to the DisplayValue property of the selected item of lbxItems. Which binding expression should you use?（）

• A、 { Binding ElementName=lbxItems, Source=SelectedItem, Path=DisplayValue }
• B、 { Binding Source=lbxItems, ElementName=SelectedItem, Path=DisplayValue }
• C、 { Binding ElementName=lbxItems, Path=SelectedItem.DisplayValue }
• D、 { Binding Source=lbxItems, Path=SelectedItem.DisplayValue }

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