Get IDictionary from anonymous type

public static IDictionary<string, object> ToDictionary(this object data)
{
    BindingFlags publicAttributes = BindingFlags.Public | BindingFlags.Instance;
    Dictionary<string, object> dictionary = new Dictionary<string, object>();

    foreach (PropertyInfo property in data.GetType().GetProperties(publicAttributes))
    {
        if (property.CanRead)
            dictionary.Add(property.Name, property.GetValue(data, null));
    }
    return dictionary;
}