Windows Phone SDK 7.1 实例-This sample enables you to test the different Application Bar properties, such as opacity, color, and mode. As you click the user interface, changes are made to the Application Bar dynamically, so that you can see how the dif

实例，Windows Phone SDK 7.1-This sample enables you to test the different Application Bar properties, such as opacity, color, and mode. As you click the user interface, changes are made to the Application Bar dynamically, so that you can see how the dif