Citect SCADA- Cicode

Read from Excel spreadsheet
INT FUNCTION GetExcelData();
INT hChannel;
INT courbe1;
hChannel = DDEhInitiate("EXCEL", "test.XLS");
IF hChannel > -1 THEN
sData = DDEhRequest(hChannel, "l1C1");
DDEhTerminate(hChannel);
hChannel = -1;
END;
RETURN courbe1;
END