InstanceDefinition, UserData, and non-plugin .DLL

[yiliang]

Yeah!

I dug deeper and found the thread attached. It seems like this is a well-discussed case.

I will find a way to bring this piece of the code back to the .rhp without causing a circular reference.

Add UserData: Object Reference not set to the instance of an object

Hi @stevebaer and @dale, I just found out MyUserData: Rhino.DocObjects.Custom.UserDictionary works within a separated dll library other than rhino plugin. This surprises me because: Rhino.DocObjects.Custom.UserDictionary inherits from Rhino.DocObjects.Custom.UserData, but MyUserData2: Rhino.DocObjects.Custom.UserData doesn’t work in a separated dll library (null reference exception when adding it to a geometry). What’s main difference that makes this Rhino.DocObjects.Custom.UserDictionary …