Syntax

expression.Period

expression A variable that represents a Trendline object.

Example

This example sets the period for the moving-average trendline on Chart1. 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.

Visual Basic for Applications
With Charts("Chart1").SeriesCollection(1).Trendlines(1) If .Type = xlMovingAvg Then .Period = 5 End With 

See also: