Connects to a Host and send there query. If in timeout SNMP server send back query, result is True. If is used SNMPv3, then it synchronize self with SNMPv3 agent first. (It is needed for SNMPv3 auhorization!)
function SendTrap: Boolean;
Send SNMP packet only, but not waits for reply. Good for sending traps.
function RecvTrap: Boolean;
Receive SNMP packet only. Good for receiving traps.
function DoIt: Boolean;
Mapped to SendRequest internally. This function is only for backward compatibility.