Iterator of the Week

This is on going series of articles showcasing different uses for STL style iterators in C++. All source code presented here is copyright 1998-2002 James M. Curran, but may be used freely. All comment and suggestion are welcome.

#0 - Circular Iterator
The common usage of an iterator is to have it start at the beginning and progress to the end. But what if you don�t want to get off the roller coaster? What if you want through the container over and over again, just like a circular buffer. For that, we need a �circular� iterator
#1 - CView Iterator
Two years after my initial foray we try this thing again.... Step through the CView object attached to a CDocument.
#2 - POSITION Iterator
Based on the CView Iterator, now we have an STL-style iterator templated to handle any MFC container that uses a POSITION object.
#3 -SerialString Container & Iterator
Iterator through a series of variable length, NUL terminated strings.