private static Dictionary <string, Identify.IdentifyFeatureClassItem> GetFeatureClasses(ObjectIdCollection ids)
        {
            if (ids == null)
            {
                return(Identify.GetFeatureClasses());
            }
            if (ids.Count == 0)
            {
                return(Identify.GetFeatureClasses());
            }
            Dictionary <string, Identify.IdentifyFeatureClassItem> result;

            if (ids.Count > AfaDocData.ActiveDocData.DocDataset.FeatureClasses.Count + AfaDocData.ActiveDocData.DocDataset.FeatureServices.Count)
            {
                result = Identify.SearchByFC(ids);
            }
            else
            {
                result = Identify.SearchByID(ids);
            }
            return(result);
        }