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 DataContext property of the FrameworkElement class. What should you do? （）A、Inherit the control class from the DependencyObject class.B、Register a dependency property.In the options settings of the property metadata, specify the Inherits option.C、Declare a new property. In the get and set methods of the new property, create an instance of the TraversalRequest class.D、Declare a new property. In the get method of the new property call VisualTreeHelper.GetParent. In the set method of the new property, call VisualTreeHelper.GetChild.
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 DataContext property of the FrameworkElement class. What should you do? （）
- A、 Inherit the control class from the DependencyObject class.
- B、 Register a dependency property. In the options settings of the property metadata, specify the Inherits option.
- C、 Declare a new property. In the get and set methods of the new property, create an instance of the TraversalRequest class.
- D、 Declare a new property. In the get method of the new property call VisualTreeHelper.GetParent. In the set method of the new property, call VisualTreeHelper.GetChild.
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You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application uses the background worker process (BWP). When the user clicks a button, the background worker executes a method named DoCalculations asynchronously. You need to implement a progress bar on the user interface (UI) that informs the user of the progress of DoCalculations. Which two actions should you perform?（）A、Modify the Value property of the progress bar in DoCalculations.B、Modify the Value property of the progress bar in the ProgressChanged event handler of the background worker.C、Modify the Value property of the progress bar in the RunWorkerCompleted event handler of the background worker.D、Call the ReportProgress method of the background worker in DoCalculations.E、Call the ReportProgress method of the background worker in the DoWork event handler of the background worker.
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.
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application named MyApp.exe. You use Microsoft Windows Installer to package the application. You create an icon file named Application.ico. You need to associate Application.ico with MyApp.exe when it is deployed. What should you do?（）A、Use the File Types Editor tool.B、Rename the icon file to MyApp.exe .ico.C、Set the AddRemoveProgramsIcon property to Application.ico.D、Use the File System Editor tool to set the Icon property to Application.ico.
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application that allows users to arrange images. You need to ensure that users can arrange child elements in a panel without affecting the size of the elements. You also need to ensure that child elements are oriented horizontally. Which control should you use?（）A、ListBoxB、DockPanelC、WrapPanelD、StackPanel
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、FlowDocumentB、FlowDocumentReaderC、FlowDocumentPageViewerD、FlowDocumentScrollViewer
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、ScrollViewer
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.
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.
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.
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.
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、MenuB、PopUpC、ListBoxD、ContextMenu
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 controlB、a data templateC、a control templateD、a control that inherits the Canvas class
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' }
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.
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.
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.
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.
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 }
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 IQueryableProduct interface in the ProductList class.C、 Extend the DependencyObject class in the Product class.D、Extend the ObservableCollectionProduct class in the ProductList class.
单选题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 IQueryableProduct interface in the ProductList class.C Extend the DependencyObject class in the Product class.DExtend the ObservableCollectionProduct class in the ProductList class.
单选题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?（）AUse a custom action.BSet the MinVersion property to .NET Framework 4.CSet the Version property of Windows Installer to .NET Framework 4.DSet the Version property of the Launch Condition to .NET Framework 4.
单选题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' }
单选题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?（）AUse the Local Window.BUse the WPF Visualizer.CGenerate a trace log by using IntelliTrace.DSet a breakpoint at the control. Run the application.
单选题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?（）AIn isolated storage.BOn the database server.CIn the ClickOnce data directory.DIn the App.config file of the application.
单选题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?（）Aa user controlBa data templateCa control templateDa control that inherits the Canvas class
单选题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?（）AUse IntelliTrace.BUse PresentationTraceSource.CRun the application in debug mode with Visual Studio 2010. Use the Auto window while you step through the application code.DRun the application in debug mode with Visual Studio 2010. Use the WPF Visualizer while you step through the application code.
单选题You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application named MyApp.exe. You use Microsoft Windows Installer to package the application. You create an icon file named Application.ico. You need to associate Application.ico with MyApp.exe when it is deployed. What should you do?（）AUse the File Types Editor tool.BRename the icon file to MyApp.exe .ico.CSet the AddRemoveProgramsIcon property to Application.ico.DUse the File System Editor tool to set the Icon property to Application.ico.