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Hi,

I had problems adding data points for error bars using tchart1.series(1).asErrorBar.AddErrorBar(xvalue,yvalue, error,string,color). it returns a <ComException> unhandled which I cannot comprehend "Catastrophic failure (Exception from HRESULT: 0x8000FFFF (E_UNEXPECTED))".

Hi Dylan Ho,

Have you tried using:
instead? If this works is because Add methods with parenthesis return an integer which expects to be assigned to a variable.