Drive AutoCAD with Code

The question on how to select multiple nested entities (from a block reference, of course) has been  raised a while ago without any reply he...

PDF underlay was introduced in AutoCAD 2010 (I believe, but I could be wrong). As late comer of an AutoCAD native object, the existing Auto...

This post is inspired by a recent discussion in Autodesk's .NET discussion forum. With .NET API, when user picks a polyline, it is fa...