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. 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?（）AImplement the INotifyPropertyChanged interface in the Product class.BImplement the INotifyCollectionChanged interface in the ProductList class.CSet 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.
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. 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.
参考解析
解析：
暂无解析
相关考题：
You use Microsoft .Net Framework 4 to create a Windows Form application. You created a new application, you then wrote the code below: Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture Which of the following options are TRUE? （）A、The user interface will make use of the currently configured culture settings in the Control Panel at present.B、The user interface will make use of new culture settings.C、The user interface will make use of the culture settings that were installed with the operating system.
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 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 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 Forms application. You need to allow the user interface to use the currently configured culture settings in the Control Panel. Which code segment should you use?（）A、Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture;B、Thread.CurrentThread.CurrentCulture = Thread.CurrentThread.CurrentUICulture;C、Thread.CurrentThread.CurrentUICulture = CultureInfo.InstalledUICulture;D、Thread.CurrentThread.CurrentCulture = CultureInfo.InstalledUICulture;
You use Microsoft .NET Framework 4 to create a Windows Forms application. The application includes a RichTextBox control and a ListBox control. The ListBox control is populated with a list of valid file names. The application allows users to drag a ListBox item to the RichTextBox control. You need to provide a visual indication that a file that is dragged can be dropped on the RichTextBox control. What should you do?（）A、Use a DoubleAnimation class.B、Use a Storyboard animation class.C、Use the DragDropEffects enumeration.D、Use the DragAction enumeration.
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 .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 .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.CancelB、DragAction.DropC、DragDropEffects.NoneD、DragDropEffects.All
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 Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Framework (WPF) application. You have a company logo that must appear on multiple forms in the application. The logo design changes frequently. You need to ensure that when the logo image is changed, you only need to update a single location. What should you do?（）A、Define the image as a page resource.B、Define the image as an application resource.C、Save the image on a network drive.D、Include the image as an embedded resource.
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application includes a function that is triggered by filling out a form and by clicking a button. Currently, the application is tested manually. You need to create an automated and iterative process to test the application. What should you do?（）A、Use IntelliTrace.B、Use UISpy.exe to extract the user interface (UI) information. Then, use MSTest.exe.C、Use classes in the System.Windows.Automation and System.Windows.Automation.Text namespaces.D、Use the Action Recording methodology to record the user interface (UI) actions.Then, use MSTest.exe.
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 .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 .NET Framework 4 to create a Windows application. You use ClickOnce technology to install the application on computers that run Windows 7 with User Access Control (UAC) enabled. The application requires access to environment variables on each computer. You need to ensure that users who do not have administrative permissions can install the application. Which deployment method should you use? （）A、Start from Web.B、Install from Web.C、Start from network shareD、Install from network share.
You create Windows Forms applications by using the .NET Framework 3.5. You plan to use a setup project to deploy a new Windows Forms application.The application uses a component that requires the Microsoft NET Framework 1.1.You need to create a launch condition so that the application can be deployed on client computers. What should you do？（）A、Use the Depth property.B、Use the Version property.C、Use the MinVersion property.D、Use the ComponentID property.
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 .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.
单选题You use Microsoft .NET Framework 4 to create a Windows Forms application. You have a DataGridView that is bound to a DataTable containing a column named ProductName. The ProductName column can contain any valid string, except "ProductX," "ProductY," "ProductZ." You need to ensure that only valid entries for ProductName are saved when users edit the DataGridView. Which DataGridView event should you use?（）ACellBeginEditBInvalidatedCValidatedDValidating
单选题You create Windows Forms applications by using the .NET Framework 3.5. You plan to use a setup project to deploy a new Windows Forms application.The application uses a component that requires the Microsoft NET Framework 1.1.You need to create a launch condition so that the application can be deployed on client computers. What should you do？（）AUse the Depth property.BUse the Version property.CUse the MinVersion property.DUse the ComponentID property.
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?（）AFrameBSliderCViewboxDScrollViewer
单选题You use Microsoft .Net Framework 4 to create a Windows Form application. You created a new application, you then wrote the code below: Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture Which of the following options are TRUE? （）AThe user interface will make use of the currently configured culture settings in the Control Panel at present.BThe user interface will make use of new culture settings.CThe user interface will make use of the culture settings that were installed with the operating system.
单选题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?（）AListBoxBDockPanelCWrapPanelDStackPanel
单选题You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application includes a function that is triggered by filling out a form and by clicking a button. Currently, the application is tested manually. You need to create an automated and iterative process to test the application. What should you do?（）AUse IntelliTrace.BUse UISpy.exe to extract the user interface (UI) information. Then, use MSTest.exe.CUse classes in the System.Windows.Automation and System.Windows.Automation.Text namespaces.DUse the Action Recording methodology to record the user interface (UI) actions.Then, use MSTest.exe.
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 .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?（）ATextBoxBTextElementCUIElementDUserControl
单选题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?（）ADragAction.CancelBDragAction.DropCDragDropEffects.NoneDDragDropEffects.All