Hi,

you could do it like this (alignment is based on the Plane, the first input):

C#
LinearDimension d = new LinearDimension(Plane.WorldXY, new Point2d(10, 10), new Point2d(-10, 10), new Point2d(-5, 0));
RhinoDoc.ActiveDoc.Objects.AddLinearDimension(d);
Vb.Net
Dim d as New LinearDimension(Plane.WorldXY, New Point2d(10, 10), New Point2d(-10, 10), New Point2d(-5, 0))
RhinoDoc.ActiveDoc.Objects.AddLinearDimension(d)

- Giulio
______________
giulio@mcneel.com
McNeel Europe, Barcelona