EventMask (PULONG) - input

Event mask word.

Address in application storage where the event mask of the current mouse device driver is returned to the caller by the mouse device driver.

The EventMask is set by MouSetEventMask and has the following definition:

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
Report mouse motion events with no button press/release events.

DeviceHandle (HMOU) - input

Mouse device handle.

Reserved. Set to 0.

rc (APIRET) - returns

Return code.

MouGetEventMask returns one of the following values:

• NO_ERROR 466
  ERROR_MOU_DETACHED
  501
  ERROR_MOUSE_NO_CONSOLE

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