/// <summary>
 /// This routine performs a synchronous SQL query.  If there were
 /// pending asynchronous queries in the queue, the pending queries are
 /// drained first.
 /// </summary>
 /// <param name="SQL">Supplies the SQL query text to execute.</param>
 public void ACR_SQLQuery(string SQL)
 {
     Implementation.ACR_SQLQuery(SQL);
 }