You are developing a Windows Presentation Foundation (WPF) application<br /> The application is for commercial use and requires a valid license key to be entered. You create a project type of Class Library code to validate license keys<br /> You need to ensure that the user enters a valid license key during installation of the software.<br /> Which deployment should reference the class library?()
A、 Click Once
B、 Setup Project
C、 XBAP
D、 XCopy