Applies To
Trendline Object.
Description
Returns or sets the period of the trendline (applies only if this is a moving average trendline; its Type property must be xlMovingAvg). Read-write.
See Also
Type Property.
Example
This example sets the period for trendline one on Chart1, if the trendline is a moving-average trendline. The example should be run on a 2-D column chart with a single series that contains 10 data points and a moving-average trendline.
With Charts("Chart1").SeriesCollection(1).Trendlines(1) If .Type = xlMovingAvg Then .Period = 5 End With