Symbian文档，介绍了3种不同的屏幕内存访问以及绘制的方法-Symbian documentation on the three kinds of different memory access, as well as screen mapping method

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

This example show how to access mobile camera in night mode and colored mode , capture a picture and save it on mobile memory