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MQMgmtAction (Windows CE 5.0)

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This function changes the state of a computer or queue.

HRESULT MQMgmtAction(  LPCWSTRpMachineName,LPCWSTRpObjectName,LPCWSTRpAction);

Parameters

  • pMachineName
    [in] Pointer to a Unicode string that contains the name of the computer where the action will take place. Must be set to NULL in the embedded version of MSMQ.

  • pObjectName
    [in] Pointer to a Unicode string that describes the type of object that will be worked on.

    The following values are possible.

    Value Description
    L"MACHINE" Required when reading properties of the queue manager.
    L"QUEUE=<formatname>" Required to act on a specific queue on the computer.

  • pAction
    [in] Pointer to a string that indicates the action to be performed on the computer.

    The following values are defined in the Mqmgmt.h file.

    Value Description
    MACHINE_ACTION_CONSOLE Brings up the MSMQ console (debug version).
    MACHINE_ACTION_CONNECT Connects the computer to the network and to the directory service.
    MACHINE_ACTION_DISCONNECT Disconnects the computer from the network and from the directory service.
    MACHINE_ACTION_EXIT Exits manual mode.
    MACHINE_ACTION_SHUTDOWN Stops the MSMQ service.
    MACHINE_ACTION_STARTUP Starts the MSMQ service.
    MACHINE_ACTION_TIDY Cleans up empty message files every six hours.

    This is helpful when many messages are deleted (purged or received by an application) and the application needs the disk space available immediately.
    QUEUE_ACTION_DELMSG Deletes a message in the queue.
    QUEUE_ACTION_EOD_RESEND Resends the pending transaction sequence.
    QUEUE_ACTION_PAUSE Valid for outgoing queues only.

    Stops the sending of messages from the computer.

    The queue manager will not send messages to the applicable destination queue until a RESUME action is initiated.
    QUEUE_ACTION_PURGE Purges the queue (deletes all messages in the queue).

    Use MQMgmtAction with this option.

    MSMQ does not support a separate MQPurgeQueue function like the desktop version of MSMQ.
    QUEUE_ACTION_RESUME Only valid for outgoing queues.

    Restarts the sending of messages after a PAUSE action has been initiated.

Return Values

  • MQ_OK
    Indicates success.
  • MQ_ERROR_ACCESS_DENIED (0xC00E0025)
    The process does not have the access rights to perform management actions on the queue or computer.
  • MQ_ERROR_ILLEGAL_FORMATNAME (0xC00E001E)
    The specified format name in pObjectName is illegal.
  • MQ_ERROR_SERVICE_NOT_AVAILABLE (0xC00E000B)
    Cannot connect to the queue manager.

Requirements

OS Versions: Windows CE .NET 4.0 and later.
Header: Mqmgmt.h.
Link Library: Msmqrt.lib.

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