IFC Exporter for Revit 2012

This is the .NET code used by the Revit 2012 family of products that support IFC export. The open source version can override the version that comes standard with shipped Revit.The base version of the code here is based on R2012 UR1. The latest code is based on R2012 UR2. Feel free to ask any questions in the Discussion area, or download and play with the code yourself.