/// <summary>
/// Converts a Hashtable / ArrayList / Dictionary(string,string) object into a JSON string
/// </summary>
/// <param name="json">A Hashtable / ArrayList</param>
/// <returns>A JSON encoded string, or null if object 'json' is not serializable</returns>
public static string jsonEncode(object json)
{
var builder = new StringBuilder(BUILDER_CAPACITY);
var success = NGUIJson.serializeValue(json, builder);
return(success ? builder.ToString() : null);
}
