MCPDMCPD(70-511)單項選擇題每日一練(2019.07.27)

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?（）

You are developing a Windows Presentation Foundation (WPF) application.
You are implementing a test strategy for the application.
You need to ensure that the test class can repeat user input.
From which base class should the test class inherit?（）

You are developing a Windows Presentation Foundation (WPF) application
The application is for commercial use and requires a valid license key to be entered. You create a project type of Class Library code to validate license keys
You need to ensure that the user enters a valid license key during installation of the software.
Which deployment should reference the class library?（）

You create a Windows client application by using Windows Presentation Foundation (WPF). 
The application contains the following code fragment.

You need to assign lbDetails to use the detail data template when btnDetails is clicked. 
Which code segment should you write for the click event handler for btnDetails?（）

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?（）