Adds a Diameter dimension object.
Syntax
objectVariable = object.AddDimDiametric(ChordPoint, FarChordPoint, LeaderLength)
Where:
object is one of the ModelSpace or PaperSpace collection objects or a Block object;
ChordPoint is a Point object identifying the first diameter point on the circle or arc;
FarChordPoint is a Point object identifying the second diameter point on the circle or arc;
LeaderLength is a double-precision variable specifying the length from the ChordPoint to the annotation text or dogleg.