Trendline.NameIsAuto Property (PowerPoint)
True if Microsoft Word automatically determines the name of the trendline. Read/write Boolean.
Version Added: PowerPoint 2007
expression .NameIsAuto
expression A variable that represents a Trendline object.
Note
Although the following code applies to Microsoft Word, you can readily modify it to apply to PowerPoint.
The following example sets Microsoft Word to automatically determine the name for trendline one of the first chart in the active document. You should run the example on a 2-D column chart that contains a single series that has a trendline.
With ActiveDocument.InlineShapes(1)
If .HasChart Then
.Chart.SeriesCollection(1) _
.Trendlines(1).NameIsAuto = True
End If
End With