By Adam Nagy
When you have a standalone application you may want to place some of the functionality in a separate dll.
In this case if you create classes which are derived somehow from an Inventor class and try to use those from your main application then you'll get an error:
"Error 1 Type 'Classes_Inventor.Collection_Axes' from assembly 'c:\Users\Administrator\Documents\Visual Studio 2010\Projects\ InventorTestConsole\Classes_Inventor\bin\Debug\Classes_Inventor.dll' cannot be used across assembly boundaries because a type in its inheritance hierarchy has a generic type parameter that is an embedded interop type. c:\users\administrator\documents\visual studio 2010\ Projects\InventorTestConsole\InventorTestConsole\Program.cs 12 29 InventorTestConsole"
The highlighted words provide a clue about the solution, which is the same as shown in this article:
http://modthemachine.typepad.com/my_weblog/2012/07/set-embed-interop-types-to-false-to-avoid-problems-with-events.html
Once we changed Embed Interop Types property of the reference to Inventor in the dll to False, the whole project compiled fine.
