You use Microsoft Visual Studio

单项选择题 You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You plan to use a PresentationTraceSources object when the application is executed by users. When the application is executed in a test environment, all debug information is successfully captured. You need to be able to capture debug information when the application is deployed. What should you do?（）: A、 Enable WPF tracing in the registry.Restart the application.; B、 Enable tracing by modifying local Group Policy.Restart the application.; C、 Open the XML configuration file for your application on the user's computer.Set tracing to a verbose level.Restart the application.; D、 Open the XML configuration file for your application on the user's computer.Add a trace listener.Restart the application.

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