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BufferLength (MQLONG) - input

This is the length in bytes of the Buffer area. Specify zero for messages that have no data, or if the message is to be removed from the queue and the data discarded ( specify MQGMO_ACCEPT_TRUNCATED_MSG in this case).

Note:
The length of the longest message that it is possible to read from the queue is given by the MaxMsgLength queue attribute; see Attributes for queues.

 

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