Represents a trendline on a chart. A trendline shows the trend, or direction, of data in a series. The WCTrendline object is a member of the WCTrendlines collection.
Using the WCTrendline Object
Use the Add method of the WCTrendlines object to add a trendline to a series.
The following method and property return a WCTrendline object.
The WCTrendlines object’s Add method
The WCTrendlines object’s Item property