## MMPM/2 Device Driver Reference

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### LINECONNECTIONS Field - ulConnections

ulConnections (ULONG) Line(s) that ulLine is connected to.

Valid flags are:

SINK_LINE_OUT Line out connection.

SINK_SPEAKER Speaker connection.

SINK_HEADPHONES Headphones connection.

SINK_NULL Sink to nothing (remove all connections from this line).

SINK_ALL Sink to everything.

SINK_WAVE Wave connection.

SINK_MIDI Midi connection.