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Control sound volmun

Posted on 2000-03-02
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Last Modified: 2010-04-04
How to control sound volmun?
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Question by:cookey
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inthe earned 20 total points
ID: 2577402
well for tmediaplayer you can do stuff like:

WaveOutSetVolume(hwo: Integer; dwVolume: Cardinal);

hwo is MediaPlayer1.DeviceId,

example:                           Right\/ | Left\/
dwVolume for Full L+R = $FFFFFFFF
dwVolume for Full L no R = $0000FFFF
dwVolume for Full R no L = $FFFF0000
dwVolume for no sound = $00000000

notice that the hi-order word refers to right channel and
lo-order word to left channel...
If use to set a mono soundcard, u specify the lo-order word
only.

WaveOutGetVolume retrieves the volume settings.

see here:
http://www.bhnet.com.br/~simonet/howtoprojs.htm
at bottom of page for a demo project showing these stuffs.
Regards barry
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