MouGetNumQueEl

This call returns the current status for the mouse device driver event queue.

MouGetNumQueEl

(QueDataRecord, DeviceHandle)

QueDataRecord (PMOUQUEINFO) - output

Address of the mouse queue status structure:

numqelements (USHORT)

Current number of event queue elements, in the range 0 <> value <> maxnumqelements.
maxnumqelements (USHORT)
Maximum number of queue elements as specified in the QSIZE = NN parameter in DEVICE=MOUSExxx.SYS statement in CONFIG.SYS.
DeviceHandle (HMOU) - input
Contains the handle of the mouse device obtained from a previous MouOpen.
rc (USHORT) - return
Return code descriptions are:
• NO_ERROR 385
  ERROR_MOUSE_NO_DEVICE
  466
  ERROR_MOU_DETACHED
  501
  ERROR_MOUSE_NO_CONSOLE
  505
  ERROR_MOU_EXTENDED_SG
  Remarks

  The maxnumqelements returned by this function is established during mouse device driver configuration. See the mouse DEVICE=MOUSExxx.SYS statement in the IBM Operating System/2 Version 1.2 Command Reference for further details.

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