WinQueryQueueInfo

Checks whether HMQ is already defined

Syntax

WinQueryQueueInfo( hmq, pmqiMqinfo, cbCopied )

Parameter

hmq (HMQ) - input

Queue handle.

It must be created by a previous call to WinCreateMsgQueue or HMQ_CURRENT.

pmqiMqinfo (PMQINFO) - output

Message queue information structure to contain the queue information.

cbCopied (ULONG) - input

Size of message queue information structure that is provided (in bytes).

Specifies the maximum number of bytes to be copied into the pmqiMqinfo parameter. This should be the size of an MQINFO structure.

rc (BOOL) - returns

Success indicator.

TRUE - Successful completion

FALSE - Error occurred.