Using Win32 functions in Visual FoxPro Image Gallery
Windows Multimedia
..msdn
AVIFileExit
AVIFileGetStream
AVIFileInfo
AVIFileInit
AVIFileOpen
AVIFileRelease
AVIFileWriteData
AVIStreamGetFrame
AVIStreamGetFrameClose
AVIStreamGetFrameOpen
AVIStreamInfo
AVIStreamLength
AVIStreamReadFormat
AVIStreamRelease
AVIStreamStart
AVIStreamTimeToSample
capCreateCaptureWindow
capGetDriverDescription
DrawDibClose
DrawDibDraw
DrawDibOpen
mciGetDeviceID
mciGetErrorString
mciSendCommand
mciSendString
midiOutClose
midiOutGetDevCaps
midiOutGetNumDevs
midiOutOpen
midiOutReset
midiOutShortMsg
mixerClose
mixerGetControlDetails
mixerGetDevCaps
mixerGetID
mixerGetLineControls
mixerGetLineInfo
mixerGetNumDevs
mixerOpen
mixerSetControlDetails
mmioAscend
mmioClose
mmioCreateChunk
mmioDescend
mmioFlush
mmioOpen
mmioRead
mmioSeek
mmioWrite
PlaySound
sndPlaySound
timeGetDevCaps
waveInAddBuffer
waveInClose
waveInGetDevCaps
waveInGetErrorText
waveInGetNumDevs
waveInGetPosition
waveInOpen
waveInPrepareHeader
waveInReset
waveInStart
waveInStop
waveInUnprepareHeader
waveOutClose
waveOutGetDevCaps
waveOutGetErrorText
waveOutGetNumDevs
waveOutGetPosition
waveOutGetVolume
waveOutOpen
waveOutPrepareHeader
waveOutReset
waveOutSetVolume
waveOutUnprepareHeader
waveOutWrite
Code examples:
Adding supplementary data to AVI files
Changing pitch and speed of a wave file
Class for sound recording
Playing WAV sounds simultaneously
WAV file player
mmioDescend
..msdn    Add comment     W32 Constants      Translate this page
The mmioDescend function descends into a chunk of a RIFF file that was opened by using the mmioOpen function. It can also search for a given chunk.
Code examples:
WAV file player
Playing WAV sounds simultaneously
Adding supplementary data to AVI files
Class for sound recording
Changing pitch and speed of a wave file
Declaration:
MMRESULT mmioDescend(
  HMMIO hmmio,            
  LPMMCKINFO lpck,        
  LPMMCKINFO lpckParent,  
  UINT wFlags             
);
FoxPro declaration:
DECLARE INTEGER mmioDescend IN winmm;
    INTEGER   hmmio,;
    STRING  @ lpck,;
    STRING  @ lpckParent,;
    INTEGER   wFlags

Parameters:
hmmio
File handle of an open RIFF file.

lpck
Pointer to a buffer that receives an MMCKINFO structure.

lpckParent
Pointer to an optional application-defined MMCKINFO structure identifying the parent of the chunk being searched for.

wFlags
Search flags.
Return value:
Returns MMSYSERR_NOERROR (0) if successful or an error otherwise.
My comment:
The mmioDescend function fills the MMCKINFO structure pointed to by the lpck parameter.
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Created: 2003-07-26 13:48:38
Modified: 2003-07-26 13:50:37
Visited in last 7 days: 5
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