Using Programming Languages other than VBA

Sub Example_ArrowHeadSize()
	' This example creates a Dim3PointAngular object in model space
	' and then alters the visible appearance (size) of its arrowheads
	' using the ArrowHeadSize property

	Dim DimPointAngularObj As AcadDim3PointAngular
	Dim AngleVertex(0 To 2) As Double
	Dim FirstPoint(0 To 2) As Double, SecondPoint(0 To 2) As Double
	Dim TextPoint(0 To 2) As Double

	' Define the new Dim3PointAngular object
	AngleVertex(0) = 0: AngleVertex(1) = 0: AngleVertex(2) = 0
	FirstPoint(0) = 2: FirstPoint(1) = 2: FirstPoint(2) = 0
	SecondPoint(0) = 1: SecondPoint(1) = 4: SecondPoint(2) = 0
	TextPoint(0) = 6: TextPoint(1) = 6: TextPoint(2) = 0

	' Create the new Dim3PointAngular object in model space
	Set DimPointAngularObj = ThisDrawing.ModelSpace.AddDim3PointAngular(AngleVertex, FirstPoint, SecondPoint, TextPoint)
	ThisDrawing.Application.ZoomAll

	' Read and display current arrowhead size
	MsgBox "The arrowhead size for this object is currently set to: " & DimPointAngularObj.ArrowheadSize

	' Alter the arrowhead size property for this object
	DimPointAngularObj.ArrowheadSize = 0.5
	ThisDrawing.Regen acAllViewports

	' Read and display new arrowhead size setting
	MsgBox "The arrowhead size for this object is now set to: " & DimPointAngularObj.ArrowheadSize
End Sub