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#define INCL_DOSDEVIOCTL
 
USHORT DosDevIOCtl(pmqiStatus, 0L, 0x0064, 0x0007, hDevice)
PMOUQUEINFO pmqiStatus;    /* pointer to structure for queue status */
HFILE hDevice;             /* device handle                         */
 
The MOU_GETQUESTATUS function retrieves the number of elements in the event
queue and the maximum number of elements allowed in an event queue.
 
Parameter   Description
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pmqiStatus  Points to the MOUQUEINFO structure that receives the queue
            status.
 
hDevice     Identifies the pointing device that receives the device-control
            function. The handle must have been created previously by using
            the DosOpen function.
 
Return Value
 
The return value is zero if the function is successful or an error value if
an error occurs.
 
See Also
 
DosOpen, MOUQUEINFO
 
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