typedef VOID (* PSOUND_LINE_NOTIFY)(struct _LOCAL_DEVICE_INFO *, UCHAR);
PSOUND_LINE_NOTIFY is the type definition for a function that is called when a line status changes.
Device Type |
Notification Code |
For waveform devices: |
SOUND_LINE_NOTIFY_WAVE |
For MIDI synthesizers: |
Always 0 |
Drivers using soundlib.lib define a function modeled on this type and call SoundSetLineNotify to place its address in the LineNotify member of a LOCAL_DEVICE_INFO structure.