enumChartTrendLine

typedef enum
{
	charttrendline_none          = 0,
	charttrendline_linear        = 1,
	charttrendline_logarithmic   = 2,
	charttrendline_polynomial    = 3,
	charttrendline_power         = 4,
	charttrendline_exponential   = 5,
	charttrendline_movingaverage = 6,
	charttrendline_movingmedian  = 7,
    charttrendline_exponentialmovingaverage = 8,
    charttrendline_support       = 9,
    charttrendline_resistance    = 10

} enumChartTrendLine;

used in IXlsChartTrendLine::Show property.