问题 Using Glass Mapper for Sitecore version 4 (MVC), I need the following method call: @Html.Glass().RenderImage(Model, x => x.PhotoField, new {cropregion = xmlValue.GetCropRegion()}, true, true) to result in: <img src="/sitecore/shell/-/media/Default-Website/cover.jpg?h=550&w=1600&la=en&hash=2986CA8291803D4A8EAC3B5A1C276E27D4877DCC&cropregion=534,11,1348,548" width="1600" height="550" /> Currently, the RenderImage call will result in the cropimage being added as an attribute rather than on the