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Waveform-Audio Command Set

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[The feature associated with this page, MCI, is a legacy feature. It has been superseded by MediaPlayer. MediaPlayer has been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer instead of MCI, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

Waveform-audio devices support the following set of commands.

String form Message form
break MCI_BREAK
capability MCI_GETDEVCAPS
close MCI_CLOSE
cue MCI_CUE
delete MCI_DELETE
info MCI_INFO
open MCI_OPEN
pause MCI_PAUSE
play MCI_PLAY
record MCI_RECORD
resume MCI_RESUME
save MCI_SAVE
seek MCI_SEEK
set MCI_SET
status MCI_STATUS
stop MCI_STOP
sysinfo MCI_SYSINFO