/// <summary> /// Creates a map for a property or field given a MemberExpression reading the property or field. /// This is used for map enums. /// </summary> /// <typeparam name="TProperty">The enum type of the property or field to map.</typeparam> /// <param name="expression">A MemberExpression reading the property or field.</param> /// <param name="ignoreCase">A flag indicating whether enum parsing is case insensitive.</param> /// <returns>The map for the given property or field.</returns> public OneToOneMap <TProperty> Map <TProperty>(Expression <Func <T, TProperty> > expression, bool ignoreCase) where TProperty : struct { if (!typeof(TProperty).GetTypeInfo().IsEnum) { throw new ArgumentException($"The type ${typeof(TProperty)} must be an Enum.", nameof(TProperty)); } MemberExpression memberExpression = GetMemberExpression(expression); var mapper = new EnumMapper(typeof(TProperty), ignoreCase); ISingleCellValueReader defaultReader = AutoMapper.GetDefaultSingleCellValueReader(memberExpression.Member); var map = new OneToOneMap <TProperty>(defaultReader) .WithCellValueMappers(mapper) .WithThrowingEmptyFallback() .WithThrowingInvalidFallback(); AddMap(new ExcelPropertyMap <TProperty>(memberExpression.Member, map), expression); return(map); }