單項(xiàng)選擇題

You are developing a Windows Presentation Foundation (WPF) application.
The application contains stylized body text and heading text. The heading text is a slight variation of the body text.
You need to ensure that if the body text changes, the heading text automatically inherits those changes.
What should you do ?（）

A. Set the Value property of the style setter to point to a static resource
B. Set the BasedOn property of the heading style to point to a static resource for the body text style
C. Set the Key property of the heading style to start with the name of the body text style
D. Set the TargetType property of the heading style to TextBlock

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單項(xiàng)選擇題

You are developing a Windows Presentation Foundation (WPF) application. All of the application styles are in the file name Themes.dll
You have the followiing markup segment.

BlueBackground is defined in a XAML file named BlueTheme.xaml. The XAML markup is compiled into the Themes.dll file.
You need to ensure that the XAML file is referenced so that the application can apply the settings in the BlueBackground style.（）

A.
B.
C.
D.

單項(xiàng)選擇題

You are developing a user control for Windows Presentation Foundation (WPF) application.
The user control contains a button. Both the user control and the hosting control must receive the button click event.
You need to ensure that the user control responsd to the button click event before hosting control responds to the event.
What should you do ?（）

A. Use a bubbling routed event. In the button click event handler, set the Handled property to True
B. Use a bubbling routed event. In the button click event handler, set the Handled property to False
C. Use a standard Microsoft .NET event. Set Handled property to true.
D. Use a tunneling routed event. Set the handled property to false.

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