Merge two objects to produce third using AutoMapper

Question

I know it\'s AutoMapper and not AutoMerge(r), but...

I\'ve started using AutoMapper and have a need to Map A -> B, and to add some properties from C so that B become

Answer 1

You can do this with the ValueInjecter

 a.InjectFrom(b)
  .InjectFrom(c)
  .InjectFrom(dOrBOrWhateverObject);