xlDataSeriesType

Specifies the data series to create.

xlAutoFill	Fill series according to AutoFill settings (4)
xlChronological	Fill with date values (3)
xlDataSeriesLinear	Extend values, assuming an additive progression (for example, '1, 2' is extended as '3, 4, 5') (-4132)
xlGrowth	Extend values, assuming a multiplicative progression (for example, '1, 2' is extended as '4, 8, 16') (2)

xlAutoFill

Fill series according to AutoFill settings (4)

xlChronological

Fill with date values (3)

xlDataSeriesLinear

Extend values, assuming an additive progression (for example, '1, 2' is extended as '3, 4, 5') (-4132)

xlGrowth

Extend values, assuming a multiplicative progression (for example, '1, 2' is extended as '4, 8, 16') (2)