Need to make a tool in ArcGis

Discussion created by niels110189 on Feb 15, 2011
Latest reply on Feb 16, 2011 by hpbrantley
For my graduade i have to make a tool for the railcompany (Prorail) here in Holland.
First thing they want is a tool where they can select all their input (CAD-drawings), and that ArcGis combine these drawings to one piece.

How do i have to do this? Is there a way to make this in ArcGis?