• I want to edit a CAD document with IOM.dll in C# and put a thumbdail using a .jpg file but it is not putting the picture. How can I do it?

    I have searched the forum before and people talk about Rons document. However I can't find it. My actual code goes below, it is working for all other properties, except for the thumbdail: itemX.setAction("edit"); string DateAndTime = DateTime.UtcNow.ToString…