I have a question regarding the type of database or collection type to use in my program. I want to have an arbitrary number of lists, each list containing an arbitrary number of points. The order of the points in the list is not critical. I want to select a particular list with an integer index. I was thinking I could use a CMap with dwords as keys and pointers to individual lists of points as values. But I am unsure of how to define and provide storage for each list of points. I prefer the approach to be as canned as possible as I am the lone coder on this project. thanks in advance for any responses, steve coward

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