Need help with the method ReceiveFrom (Byte [], Endpoint)

Question

necesito ayuda con el metodo receivefrom(Byte[],Endpoint) de la clase sockets
lo ocupo para recibir un datagrama de un agente snmp

English Translation:

I need help with the method ReceiveFrom (Byte [], Endpoint) of the sockets class 

I take care to receive a datagram of a snmp agent