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How to identify and set reverse normals programmatically using Arcobjects?

Question asked by chanduguda on Nov 28, 2015

I am working a 3D-Buildings project, where deliverables are * .dgn and Esri Multipath, after conversion of *.dgn to multipath in ArcMap, noticed that few facades normals reversed ,results looks likes portions of the multipatch are missing. So, I have to fix those faces (inverted) programmatically. Please suggest how to fix these issues and also provide which interfaces can help to resolve these issues.