In Part 6 I began working on the data side of the checkbox code and created a class to manage the links between "left" and "right" records. I also loaded up some data into an instance of the class.
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After that I load the data back up from the TPS file, and re-run the original set of tests to verify that the data has been restored. Does it work? Yes!
Next time: how the code works, and the changes required to the existing classes.