DapperExtensions.Mapper.PropertyMap.Key C# (CSharp) Méthode

        public PropertyMap Key(KeyType keyType)
        {
            if (Ignored)
            {
                throw new ArgumentException(string.Format("'{0}' is ignored and cannot be made a key field. ", Name));
            }

            if (IsReadOnly)
            {
                throw new ArgumentException(string.Format("'{0}' is readonly and cannot be made a key field. ", Name));
            }

            KeyType = keyType;
            return this;
        }

        protected virtual void AutoMap()
        {
            Type type     = typeof(T);
            bool keyFound = Properties.Any(p => p.KeyType != KeyType.NotAKey);

            foreach (var propertyInfo in type.GetProperties())
            {
                if (Properties.Any(p => p.Name.Equals(propertyInfo.Name, StringComparison.InvariantCultureIgnoreCase)))
                {
                    continue;
                }

                PropertyMap map = Map(propertyInfo);

                if (!keyFound && map.PropertyInfo.Name.EndsWith("id", true, CultureInfo.InvariantCulture))
                {
                    if (map.PropertyInfo.PropertyType == typeof(int) || map.PropertyInfo.PropertyType == typeof(int?))
                    {
                        map.Key(KeyType.Identity);
                    }
                    else if (map.PropertyInfo.PropertyType == typeof(Guid) || map.PropertyInfo.PropertyType == typeof(Guid?))
                    {
                        map.Key(KeyType.Guid);
                    }
                    else
                    {
                        map.Key(KeyType.Assigned);
                    }

                    keyFound = true;
                }
            }
        }