Processing Umbraco macros

render-macros.cs

/// 
/// Extension on UmbracoHelper to return a processed macro as a string...
///
public static IHtmlString RenderMacroScript(this UmbracoHelper helper, string language, string fileLocation, IDictionary<string, object> parameters)
{
    var ctrl = new umbraco.presentation.templateControls.Macro
    {
        Language = language,
        FileLocation = fileLocation,
    };

    foreach (var parameter in parameters)
    {
        ctrl.Attributes.Add(parameter.Key, parameter.Value.ToString());
    }

    return new HtmlString(ctrl.RenderControlToString());
}