Rogue lines appear on the 2D charting control

I am using a the 2D charting control in a VS 6 project for plotting a barchart/histogram for a dataset. I have been developing the application without problems until I moved to a new computer. On this new development computer I get these rogue lines appearing as you can see in the attached screen capture. These lines attach the upper point of a sample back to zero as you can see in the graphic. I have never witnessed this before on the other system. Both systems are running WIndows XP Pro (SP2). Upon further investigation I have found that this problem does appear on some computers and not others which are running the same OS and configured very similarly.
My first reaction was that this was caused by a datase
t issue. However, running the same dataset on other computers with the same exact application does not produce this error. As well, running ANY dataset on this computer does produce the issue but not on others.
Are there any known issues regarding this issue and certain video cards, configurations, etc.
Attachments:
chartcapture.JPG ‏25 KB

I haven't been able to reproduce the problem. I suspect that my program is not similar enough to yours.
I don't understand what you are doing with the two different plots in your example code. What is the difference between "PLOT1" and "BinCountHistogram"? Are you plotting both of these on the same graph? If so, how is "PLOT1" configured? Is it possible that the unwanted lines you are seeing are a result of plotting "PLOT1"?
Something else you might try is using PlotXvsY for your histogram data instead of PlotY. Create an X vector of bins. Measurement Studio includes an example program that demonstrates this technique. It should be installed to MeasurementStudio\VC\Examples\Analysis\Histogram.
If these ideas d
on't lead us anywhere, I have attached the simple project that I was using to try to reproduce the problem. One option would be for you to modify the attached program to make it cause the problem and post the project back.
Based on the intermittent nature of the behavior you are seeing, this does seem like a bug, so I am very interested in tracking it down.
Attachments:
AttemptReproUnwantedLines.zip ‏27 KB

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