public IMappingBuilder <TSource, TDest> ForMember <TProp>(Expression <Func <TDest, TProp> > destProp, Action <MappingOptions> optionsSetup) { EnsureIsMemberExpression(destProp.Body); var options = new MappingOptions(); optionsSetup(options); if (options.IsPropIgnored) { MappingExpression <TSource, TDest> .RemoveMapping((MemberExpression)destProp.Body); } return(this); }