teechart - Delphi TChart using AddNullXY and trend function -

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I have TeeChart version 7.07.

I have a chart with a 400 chart (x) with the fast line series and the date and y are used%). There are valid dates with the first 200 actual measured% values. In the next 200 future, valid dates are 0 to YValue, which were added using AddNullXY (date, 0, decimal). There is also a fast line series as a fashion line with my first series data source.

The problem is that the trend line of 0 is changing in the previous 200 values, I want a trend line to expand in future dates, where I can complete the date of the disc. I have tried the undiscovered property but it was no help.

Is this possible? Steve ...

Try using NaN instead of 0.


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