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.

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