## MMPM/2 Device Driver Reference

[prev][next][parent][TOC]

### LINECONNECTIONS Field - ulLine

ulLine (ULONG) Line to get connections information for.

The line described in ulLine field can have the following values:

SOURCE_SYNTHESIZER Midi connection.

SOURCE_LINE Line connection.

SOURCE_INTERNAL_AUDIO Internal audio connection.

SOURCE_MICROPHONE Microphone connection.

SOURCE_WAVE Wave connection.

SOURCE_PC_SPEAKER PC speaker connection.

SOURCE_NULL Source is nothing (remove all connections to this line).

SOURCE-MIDI Midi connection.