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The SnmpGetNext class gets the next value from a remote agent.
Constructor 
var request = new SnmpGetNext( context );
context is an object of type SnmpContext.
Properties
Name Type Description
retries int The number of retries before failure
timeout int The timeout in seconds before a particular 'getnext' attempt is assumed to have failed
Methods
Return Value Name Description
void addOid( String oid ) Adds an OID to the GETNEXT Request.
void destroy() Frees any resources used by this GETNEXT request.
String getInstance( String oid ) Returns the oid from the results of this GETNEXT request.
String getValue( String oid ) Returns the oid:named value from this result (if sendRequest was successful).
boolean isDestroyed() Returns true if this request has been destroyed.
boolean sendRequest() Performs the GETNEXT operation, returning true if successful.
Sample usage 
var request = new SnmpGetNext( context );
var oid = “1.2.3.6.1.2.1.1.1”;
request.addOid( oid );
if ( request.sendRequest() ) {
    var value = request.getValue( oid );