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| waveInPrepareHeader The waveInPrepareHeader function prepares a buffer for waveform-audio input. VB4-32,5,6
Declare Function waveInPrepareHeader Lib "winmm.dll" Alias "waveInPrepareHeader" (ByVal hWaveIn As Long, lpWaveInHdr As WAVEHDR, ByVal uSize As Long) As Long |
| Operating Systems Supported |
| Requires Windows NT 3.1 or later; Requires Windows 95 or later |
· hwi
Handle of the waveform-audio input device.
· pwh
Address of a WAVEHDR structure that identifies the buffer to be prepared.
· cbwh
Size, in bytes, of the WAVEHDR structure. |
Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following.
MMSYSERR_INVALHANDLE Specified device handle is invalid.
MMSYSERR_NODRIVER No device driver is present.
MMSYSERR_NOMEM Unable to allocate or lock memory. |
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