EventMask (PULONG) - input

Mouse device event mask pointer.

The EventMask bit values are:

Bit

Description
31-7
Reserved. Set to 0.
6
Report button 3 press/release events, without mouse motion.
5
Report button 3 press/release events, with mouse motion.
4
Report button 2 press/release events, without mouse motion.
3
Report button 2 press/release events, with mouse motion.
2
Report button 1 press/release events, without mouse motion.
1
Report button 1 press/release events, with mouse motion.
0
Mouse motion events with no button press/release events.

DeviceHandle (HMOU) - input

Reserved. Must be 0.

rc (APIRET) - returns

Return code.

MouSetEventMask returns one of the following values:

• NO_ERROR

  466

  ERROR_MOU_DETACHED
  501
  ERROR_MOUSE_NO_CONSOLE

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