int position; //遍历到的位置 internal IterationSampleIterator(IterationSample parent) //internal? { this.parent = parent; position = -1;//在第一个元素开始之前开始 }
int position; //遍历到的位置 internal IterationSampleIterator(IterationSample parent) //internal? { this.parent = parent; position = -1;//在第一个元素开始之前开始 }