SNMP.Host := <Remote IP>;
SNMP.Community := <Community>;
SNMP.Query.Clear;
SNMP.Query.PDUType := <PDUSetReqest or PDUGetRequest or PDUGetNextRequest,
etc.>; //set the access type
SNMP.Query.MIBAdd(<OID>, <Value>, <Value Type>);
SNMP.Query.MIBAdd(...); //put your query OIDs or/and values here
...
if SNMP.SendQuery then //if send successfully, you will get True from
SendQuery
begin
SNMP.Reply.ValueOID[...]; //retrieve your value
SNMP.Reply.Value[...];
end;