/// <summary>
/// Writes the JSON representation of the object.
/// </summary>
/// <param name="writer">The <see cref="JsonWriter"/> to write to.</param>
/// <param name="value">The value.</param>
/// <param name="serializer">The calling serializer.</param>
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
DefaultContractResolver resolver = serializer.ContractResolver as DefaultContractResolver;
Type t = value.GetType();
object result = FSharpUtils.GetUnionFields(null, value, t, null);
object info = FSharpUtils.GetUnionCaseInfo(result);
object fields = FSharpUtils.GetUnionCaseFields(result);
object caseName = FSharpUtils.GetUnionCaseInfoName(info);
writer.WriteStartObject();
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(CasePropertyName) : CasePropertyName);
writer.WriteValue((string)caseName);
writer.WritePropertyName((resolver != null) ? resolver.GetResolvedPropertyName(FieldsPropertyName) : FieldsPropertyName);
serializer.Serialize(writer, fields);
writer.WriteEndObject();
}