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waveOutPrepareHeader
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The waveOutPrepareHeader function prepares a waveform-audio data block for playback with waveOutWrite function. |
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| Code examples: |
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| Declaration: |
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MMRESULT waveOutPrepareHeader(
HWAVEOUT hwo,
LPWAVEHDR pwh,
UINT cbwh
);
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| FoxPro declaration: |
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DECLARE INTEGER waveOutPrepareHeader IN winmm;
INTEGER hwo,;
STRING @ pwh,;
INTEGER cbwh
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| Parameters: |
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hwo
Handle to the waveform-audio output device.
pwh
Pointer to a WAVEHDR structure that identifies the data block to be prepared.
cbwh
Size, in bytes, of the WAVEHDR structure. |
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| Return value: |
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| Returns MMSYSERR_NOERROR (0) if successful or an error otherwise. |
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| My comment: |
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The lpData, dwBufferLength, and dwFlags members of the WAVEHDR structure must be set before calling this function (dwFlags must be zero).
The waveOutWrite function sends a data block to the given waveform-audio output device |
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| Word Index links for the waveOutPrepareHeader : |
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| Created: | 2003-07-23 08:12:27 | | Modified: | 2003-07-24 09:06:14 |
Visited in last 7 days: 23 |
Playing WAV sounds simultaneously