private void SerializeISerializable(JsonWriter writer, ISerializable value, JsonISerializableContract contract, JsonProperty member, JsonContract collectionValueContract) { contract.InvokeOnSerializing(value, Serializer.Context); _serializeStack.Add(value); writer.WriteStartObject(); if (ShouldWriteType(TypeNameHandling.Objects, contract, member, collectionValueContract)) { WriteTypeProperty(writer, contract.UnderlyingType); } SerializationInfo serializationInfo = new SerializationInfo(contract.UnderlyingType, new FormatterConverter()); value.GetObjectData(serializationInfo, Serializer.Context); foreach (SerializationEntry serializationEntry in serializationInfo) { writer.WritePropertyName(serializationEntry.Name); SerializeValue(writer, serializationEntry.Value, GetContractSafe(serializationEntry.Value), null, null); } writer.WriteEndObject(); _serializeStack.RemoveAt(_serializeStack.Count - 1); contract.InvokeOnSerialized(value, Serializer.Context); }