一个类似于VC++ 中的CString的动态数组类集合，可以方便构造对象，对象长度可在访问时自动增加数组长度，且可实现数组的整体赋值。-A class that works like "CString" in VC++. It can be used to make a array anytime anywhere. And the array newed by the class can be 0 length and can grow automatically when program is running.