>>Build the Class Libraries in the EXE. Do not distribute them as a separate files.
>
>If i want to sell them then what?
>and how i can use them when the are exe?
To complete this idea, build them into either a EXE or an APP file. Then instruct the buyer to use the NewObject function or method to create the object from them. They will always remain an addon to their application.
Greg Reichert