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);
}
}