Create a Class Library
§Produces a DLL, i.e. an assembly
§ObjectARX Wizard creates a minimum project in VB.NET and C#
§Runs in the acad.exe process
Reference AutoCAD assemblies named ac*mgd.dll located in <ACA install>
§acdbmgd.dll
§acmgd.dll
Reference ACA assemblies mostly named Aec*Mgd.dll located in <ACA install>
§AecBaseMgd.dll
§AecArchMgd.dll
§AecPropDataMgd.dll
§AecStructureMgd.dll
§AecProjectBaseMgd.dll
§AecSpaceOffsetRulesManager.dll
§. . .
NETLOAD the DLL
§Loaded into a shared AppDomain
§Cannot be unloaded by Microsoft design