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70-511 · Question #155
70-511 Question #155: Real Exam Question with Answer & Explanation
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Question
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application contains a ListBox control named IbxItems that is data-bound to a collection of objects. Each object has a DisplayValue property. You add a Button control to the application. You need to ensure that the Content property of the Button control is data-bound to the DisplayValue property of the selected item of IbxItems. Which binding expression should you use?
Options
- A{ Binding ElementName= IbxItems, Source=SelectedItem, Path=DisplayValue }
- B{ Binding Source=lbxItems, ElementName=SelectedItem, Path=DisplayValue }
- C{ Binding ElementName=IbxItems, Path=SelectedItem.DisplayValue }
- D{ Binding Source=lbxItems, Path=SelectedItem.DisplayValue }
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