public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) {
var obj = values.FirstOrDefault() as AcJsonObjectNew;
if (obj == null || obj.Author != null || obj.Url == null && obj.Version == null) {
return ControlsStrings.AcObject_AuthorLabel;
}
if (obj.Version != null) {
return ControlsStrings.AcObject_VersionLabel;
}
return ControlsStrings.AcObject_UrlLabel;
}