单项选择题
A. The user interface will make use of the currently configured culture settings in the Control Panel at present.
B. The user interface will make use of new culture settings.
C.The user interface will make use of the culture settings that were installed with the operating system.
单项选择题 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 ?（）
单项选择题 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.（）
单项选择题 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 ?（）