无纸化考试系统防止考生作弊的实现措施

The Solution to Prevent Examinee from Cheating of Paperless Examination System

无纸化考试系统防止考生作弊是无纸化考试系统要解决的首要问题。介绍了无纸化考试系统考生可用的作弊手段和防止考生作弊的具体方法,用API调用技术、注册表技术、拦截消息技术、回调技术、钩子技术实现了这些方法并给出详细的Delphi实现代码。

Prevent examinee from cheating is one of chief problems to solve of no paper examination system. This paper introduces the measure of how to cheating for examinee and the solution to prevent examinee from cheating. Then, introduces the solution by using the technology of calling API, registry, heading off of the messages transferred to window by Windows, callback, low level keyboard hook in detail with Delphi.