How Delphi calls the SQL stored procedure and get the result

sql delphi how to call a stored procedure, and obtain the results adostoredproc1.Close; adostoredproc1.ProcedureName: = 'sp_thchl'; adostoredproc1.Parameters.Clear; adostoredproc1.Parameters.CreateParameter ( 'out', ftInteger, pdoutput, 1,1); adostoredproc1. EXECPROC; edit1.text: = adoStoredProc1.Parameters [0] .value;