private IEnumerable <SearchResult> GetBatchData(int startIndex, int batchSize, SynchronizeContext context, string[] neededProperties)
{
List <string> buffer = new List <string>(batchSize);
for (int k = startIndex; k < startIndex + batchSize; k++)
{
buffer.Add((string)this.source[k]);
}
var results = buffer.Count > 0 ? SynchronizeHelper.GetSearchResultsByDNList(context.ADHelper, buffer, ADSchemaType.Users, neededProperties, batchSize) : new SearchResult[0];
return(results);
}