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【单选题】

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. <br /> 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. <br /> 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. <br /> You need to ensure that changes made on the Product objects are automatically reflected in the ListBox control. <br /> 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.

更多“ You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. <br /> 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. <br /> 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. <br /> You need to ensure that changes made on the Product objects are automatically reflected in the ListBox control. <br /> What should you do?()”相关的问题
第2题

A、Microsoft Application Virtualization Sequencer  B、Microsoft Application Virtualization Desktop Client  C、Microsoft System Center Application Virtualization Streaming Server  D、Microsoft System Center Application Virtualization Management Server  

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第3题

A、Microsoft Application Virtualization Sequencer  B、Microsoft Application Virtualization Desktop Client  C、Microsoft System Center Application Virtualization Streaming Server  D、Microsoft System Center Application Virtualization Management Server  

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第7题

A、Use the AsOrdered method.  B、Use the SelectMany method.  C、Use the AutoBuffered option in the WithMergeOptions method.  D、Use the WithExecutionMode method with the ParallelExecutionMode.ForceParallelism parameter.  

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第8题

A、A.Use the AppVCacheSize tool to set the maximum cache size to 0.  B、B.Use the AppVCacheSize tool to set the minimum free disk space threshold to 0.  C、C.Set the HKLM \ SOFTWARE \ Microsoft \ SoftGrid \ 4.5 \ Client \AppFS\ State registry key to 0.  D、D.Set the HKLM \ SOFTWARE \ Microsoft \ SoftGrid \ 4.5 \ Client \AppFS\ FileSize registry key to 0.  

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第9题

A、Reload the virtual application package.  B、Reinstall the virtual application package.  C、Use the Repair function in the Windows Installer Package. Use the Microsoft Application Virtualization (App-V) to re-sequence the application.  D、Use the Microsoft Application Virtualization (App-V) Sequencer to edit the virtual application package.  

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第10题

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.  

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