symbian,使用dll服务捕获按键,比设置优先级更能提高按键响应.-symbian, use dll services capture button, set the priority level than the keys that can enhance response.

该接口主要用于文件的访问，包括当内存不足时会有什么样的反应，是一个比较实用的程序-This interface is mainly used for file access, including when there is insufficient memory, what kind of response is a more practical procedure for