Sometimes, my surface is broken (damaged) because a pasted surface doesn´t work fine and I get this error:
"Error performing edit"
http://knowledge.autodesk.com/support/autocad-civil-3d/troubleshooting/caas/sfdcarticles/sfdcarticle...
So I would like to export all the Definitions to a XML file, create a new surface and import this XML to the surface to load all the Definitions in one step.