Using Programming Languages other than VBA

Sub Example_Linetype()
	' This example searches for the linetype DashDot. If it is
	' not found, it is added from the acad.lin file. Then a
	' line is created and changed to the DashDot linetype.

	' Search the linetypes collection for the DashDot linetype.
	Dim entry As AcadLineType
	Dim found As Boolean
	found = False
	For Each entry In ThisDrawing.Linetypes
		If StrComp(entry.name, "DASHDOT", 1) = 0 Then
			found = True
			Exit For
		End If
	Next
	If Not (found) Then ThisDrawing.Linetypes.Load "DASHDOT", "acad.lin"
	
	' Create the line
	Dim lineObj As AcadLine
	Dim startPoint(0 To 2) As Double
	Dim endPoint(0 To 2) As Double
	startPoint(0) = 1#: startPoint(1) = 1#: startPoint(2) = 0#
	endPoint(0) = 4#: endPoint(1) = 4#: endPoint(2) = 0#
	Set lineObj = ThisDrawing.ModelSpace.AddLine(startPoint, endPoint)

	' Change the linetype of the line
	lineObj.Linetype = "DASHDOT"
	ZoomAll

End Sub