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add new series in XY charts

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I need to add new series in XY chart dynamically. Each series may have

different numbers of data. For example, series 1 has 100 points with range

from 1 to 100, series 2 has 1000 points with range from 500 to 1000. And I

have to load the data of next series after all previous series were

displayed. All series of data should go in the same chart.

I loaded the data of series 1 using the code as follows:



m_pChartFX->Series->Item[0]->Yvalue[0] = 1;

m_pChartFX->Series->Item[0]->Yvalue[1] = 45;

m_pChartFX->Series->Item[0]->Yvalue[2] = 60;


m_pChartFX->Series->Item[0]->Xvalue[0] = 10;

m_pChartFX->Series->Item[0]->Xvalue[1] = 21;

m_pChartFX->Series->Item[0]->Xvalue[2] = 32;


m_pChartFX->CloseData((CfxCod) (COD_XVALUES|COD_SMOOTH));


It works fine. But when I tried to load the XY pair of data of series 2 in

m_pChartFX->Series->Item[1], I got the abnormal program termination error.

Is any propery I should set to load the unknow number of series? Or what

should I do before I can load the second series of data?


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