public class CamelCaseToPascalCaseExpandoObjectConverter : JsonConverter
{
    internal static bool IsPrimitiveToken(JsonToken token)
    {
        switch (token)
        {
            case JsonToken.Integer:
            case JsonToken.Float:
            case JsonToken.String:
            case JsonToken.Boolean:
            case JsonToken.Null:
            case JsonToken.Undefined:
            case JsonToken.Date:
            case JsonToken.Bytes:
                return true;
            default:
                return false;
        }
    }

    /// <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)
    {
        // can write is set to false
    }

    /// <summary>
    /// Reads the JSON representation of the object.
    /// </summary>
    /// <param name="reader">The <see cref="JsonReader"/> to read from.</param>
    /// <param name="objectType">Type of the object.</param>
    /// <param name="existingValue">The existing value of object being read.</param>
    /// <param name="serializer">The calling serializer.</param>
    /// <returns>The object value.</returns>
    public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
    {
        return ReadValue(reader);
    }

    private object ReadValue(JsonReader reader)
    {
        while (reader.TokenType == JsonToken.Comment)
        {
            if (!reader.Read())
                throw new Exception("Unexpected end.");
        }

        switch (reader.TokenType)
        {
            case JsonToken.StartObject:
                return ReadObject(reader);
            case JsonToken.StartArray:
                return ReadList(reader);
            default:
                //CHANGED
                //call to static method declared inside this class
                if (IsPrimitiveToken(reader.TokenType))
                    return reader.Value;

                //CHANGED
                //Use string.format instead of some util function declared inside JSON.NET
                throw new Exception(string.Format(CultureInfo.InvariantCulture, "Unexpected token when converting ExpandoObject: {0}", reader.TokenType));
        }
    }

    private object ReadList(JsonReader reader)
    {
        IList<object> list = new List<object>();

        while (reader.Read())
        {
            switch (reader.TokenType)
            {
                case JsonToken.Comment:
                    break;
                default:
                    object v = ReadValue(reader);

                    list.Add(v);
                    break;
                case JsonToken.EndArray:
                    return list;
            }
        }

        throw new Exception("Unexpected end.");
    }

    private object ReadObject(JsonReader reader)
    {
        IDictionary<string, object> expandoObject = new ExpandoObject();

        while (reader.Read())
        {
            switch (reader.TokenType)
            {
                case JsonToken.PropertyName:
                    //CHANGED
                    //added call to ToPascalCase extension method
                    string propertyName = reader.Value.ToString().ToPascalCase();

                    if (!reader.Read())
                        throw new Exception("Unexpected end.");

                    object v = ReadValue(reader);

                    expandoObject[propertyName] = v;
                    break;
                case JsonToken.Comment:
                    break;
                case JsonToken.EndObject:
                    return expandoObject;
            }
        }

        throw new Exception("Unexpected end.");
    }

    /// <summary>
    /// Determines whether this instance can convert the specified object type.
    /// </summary>
    /// <param name="objectType">Type of the object.</param>
    /// <returns>
    ///     <c>true</c> if this instance can convert the specified object type; otherwise, <c>false</c>.
    /// </returns>
    public override bool CanConvert(Type objectType)
    {
        return (objectType == typeof(ExpandoObject));
    }

    /// <summary>
    /// Gets a value indicating whether this <see cref="JsonConverter"/> can write JSON.
    /// </summary>
    /// <value>
    ///     <c>true</c> if this <see cref="JsonConverter"/> can write JSON; otherwise, <c>false</c>.
    /// </value>
    public override bool CanWrite
    {
        get { return false; }
    }
}