You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code fragment. You need to ensure that the StringMember property of the data-bound object is updated immediately when the user types in the TextBox control. Which binding expression should you use?

Question

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code fragment. < TextBox Text="{Binding Path=StringMember} " / > You need to ensure that the StringMember property of the data-bound object is updated immediately when the user types in the TextBox control. Which binding expression should you use?

Accepted Answer

D. {Binding Path=StringMember, UpdateSourceTrigger=PropertyChanged}

Answer

A. {Binding Path=StringMember, Mode=Two way}

Answer

B. {Binding Path=StringMember, NotifyOnSourceUpdated=True}

Answer

C. {Binding Path=StringMember, NotifyOnTargetUpdated=True}

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code fragment. < TextBox Text="{Binding…

Question

Options

How the community answered

Community Discussion