Returns true if the current field contains an actual value; false if the field is marked as having an 'unknown value'.
| Exception Type | Condition |
|---|---|
| TipcMsgEomException | If there is no field |
| TipcException | For all other errors |
TipcMsg Class | TipcMsg Members | TIBCO.SMARTSOCKETS Namespace | appendUnknown | nextUnknown