private void SerializeDictionary(JsonWriter writer, IWrappedDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContract collectionValueContract)
    {
      contract.InvokeOnSerializing(values.UnderlyingDictionary, Serializer.Context);

      SerializeStack.Add(values.UnderlyingDictionary);
      writer.WriteStartObject();

      bool isReference = contract.IsReference ?? HasFlag(Serializer.PreserveReferencesHandling, PreserveReferencesHandling.Objects);
      if (isReference)
      {
        writer.WritePropertyName(JsonTypeReflector.IdPropertyName);
        writer.WriteValue(Serializer.ReferenceResolver.GetReference(this, values.UnderlyingDictionary));
      }
      if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionValueContract))
      {
        WriteTypeProperty(writer, values.UnderlyingDictionary.GetType());
      }

      JsonContract childValuesContract = Serializer.ContractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));

      int initialDepth = writer.Top;

      // Mono Unity 3.0 fix
      IDictionary d = values;

      foreach (DictionaryEntry entry in d)
      {
        string propertyName = GetPropertyName(entry);

        propertyName = (contract.PropertyNameResolver != null)
                         ? contract.PropertyNameResolver(propertyName)
                         : propertyName;

        try
        {
          object value = entry.Value;
          JsonContract valueContract = GetContractSafe(value);

          if (ShouldWriteReference(value, null, valueContract))
          {
            writer.WritePropertyName(propertyName);
            WriteReference(writer, value);
          }
          else
          {
            if (!CheckForCircularReference(value, null, contract))
              continue;

            writer.WritePropertyName(propertyName);

            SerializeValue(writer, value, valueContract, null, childValuesContract);
          }
        }
        catch (Exception ex)
        {
          if (IsErrorHandled(values.UnderlyingDictionary, contract, propertyName, ex))
            HandleError(writer, initialDepth);
          else
            throw;
        }
      }

      writer.WriteEndObject();
      SerializeStack.RemoveAt(SerializeStack.Count - 1);

      contract.InvokeOnSerialized(values.UnderlyingDictionary, Serializer.Context);
    }
        private void SerializeDictionary(JsonWriter writer, IWrappedDictionary values, JsonDictionaryContract contract, JsonProperty member, JsonContract collectionValueContract)
        {
            contract.InvokeOnSerializing(values.UnderlyingDictionary, Serializer.Context);

            SerializeStack.Add(values.UnderlyingDictionary);
            writer.WriteStartObject();

            bool isReference = contract.IsReference ?? HasFlag(Serializer.PreserveReferencesHandling, PreserveReferencesHandling.Objects);

            if (isReference)
            {
                writer.WritePropertyName(JsonTypeReflector.IdPropertyName);
                writer.WriteValue(Serializer.ReferenceResolver.GetReference(this, values.UnderlyingDictionary));
            }
            if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionValueContract))
            {
                WriteTypeProperty(writer, values.UnderlyingDictionary.GetType());
            }

            JsonContract childValuesContract = Serializer.ContractResolver.ResolveContract(contract.DictionaryValueType ?? typeof(object));

            int initialDepth = writer.Top;

            // Mono Unity 3.0 fix
            IDictionary d = values;

            foreach (DictionaryEntry entry in d)
            {
                string propertyName = GetPropertyName(entry);

                propertyName = (contract.PropertyNameResolver != null)
                         ? contract.PropertyNameResolver(propertyName)
                         : propertyName;

                try
                {
                    object       value         = entry.Value;
                    JsonContract valueContract = GetContractSafe(value);

                    if (ShouldWriteReference(value, null, valueContract))
                    {
                        writer.WritePropertyName(propertyName);
                        WriteReference(writer, value);
                    }
                    else
                    {
                        if (!CheckForCircularReference(value, null, contract))
                        {
                            continue;
                        }

                        writer.WritePropertyName(propertyName);

                        SerializeValue(writer, value, valueContract, null, childValuesContract);
                    }
                }
                catch (Exception ex)
                {
                    if (IsErrorHandled(values.UnderlyingDictionary, contract, propertyName, ex))
                    {
                        HandleError(writer, initialDepth);
                    }
                    else
                    {
                        throw;
                    }
                }
            }

            writer.WriteEndObject();
            SerializeStack.RemoveAt(SerializeStack.Count - 1);

            contract.InvokeOnSerialized(values.UnderlyingDictionary, Serializer.Context);
        }