单选题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 FrameB SliderC ViewboxD Scroll

第1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2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3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4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5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6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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第13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14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15题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application uses the drag-and-drop functionality. You need to ensure that the drag-and-drop operation is stopped when a user moves the cursor outside the boundaries of the application form. Which enumeration member should you use?（）

• A、 DragAction.Cancel
• B、 DragAction.Drop
• C、 DragDropEffects.None
• D、 DragDropEffects.All

第16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17题：

You are developing a Windows Presentation Foundation (WPF) application. You need to use XAML to create a custom control that contains two Button controls. From which base class should you inherit? （）

• A、 FrameworkElement
• B、 UIElement
• C、 UserControl
• D、 Button

第18题：

You use Microsoft .NET Framework 4 to create a Windows Presentation Framework (WPF) application. You plan to create a custom control that contains four text input fields. Each of the text input fields within the control will contain a label. You need to ensure that the text input fields within the control can be validated by using a regular expression validator. Which class should you inherit from?（）

• A、 TextBox
• B、 TextElement
• C、 UIElement
• D、 UserControl

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