static void UpdateReferences(Visual visual) { foreach (var glyph in visual.FindVisualChildren<Glyphs>()) if (!glyph.FontUri.IsAbsoluteUri) { var glyphGuid = glyph.FontUri.ToString(); glyph.FontUri = new Uri(ServiceFactoryBase.ContentService.GetContentFileName(glyphGuid), UriKind.Absolute); } }