Drive AutoCAD with Code

I have been recently helping upgrading AutoCAD 2012 to AutoCAD 2015 in my office. During the process of moving up to AutoCAD 2015, I encount...

More often than not we need to write code to loop through large amount of data set, such as entities in a selection set or even entire Model...

During drafting process, sometimes an AutoCAD user would wish he.she could easily find out where the centroid of an polygon (assuming it is ...