Returns the datatype of the next message found in the received named pipe local buffer.
function NextItemType: TMessageType;
Use NextItemType to retrieve the datatype of the next message found in the received named pipe local buffer.
NextItemType is desined to work only with Oracle DBMS_PIPE communication package which is the case only if EventType property has been set to etPipe.
The mtNone return value indicates that no more messages are found in the local buffer.