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單項(xiàng)選擇題

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You create a class named Person that has a FirstName property and a LastName property.
You create a resource that contains a collection of Person objects and assign the family key to it.
You add a ListBox control by using the following code fragment. (Line numbers are included for reference only.)

You need to ensure that each item in the ListBox control meets the following requirements:
Contains a TextBox that is data-bound to the FirstName property.
Contains a TextBox that is data-bound to the LastName property.
Which code fragment should you insert at line 04?（）

A.
B.
C.
D.

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單項(xiàng)選擇題

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You declare a class named PictureContainer that has a property named Photo.
The Photo property is of the byte[] type and contains an image in the JPEG format.
You assign a collection of the PictureContainer elements to the current DataContext.
You need to create a ListBox control that displays the images.
Which code fragment should you use?（）

A.
B.
C.
D.

單項(xiàng)選擇題

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application contains an ObservableCollection object named Pictures that contains several Picture objects.
Each Picture object contains the Name and PictureFilePath properties.
You add a ListBox control to the application.
You need to ensure that the pictures are displayed in the ListBox control.
Which code fragment should you use?（）

A.
B.
C.
D.

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