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This function is the Device I/O control routine for the WAV I/O device.
BOOL WAV_IOControl( DWORD dwOpenData, DWORD dwCode, PBYTE pBufIn, DWORD dwLenIn, PBYTE pBufOut, DWORD dwLenOut, PDWORD pdwActualOut );
Parameters
- dwOpenData
- Specifies a value returned from a call to the WAV_Openfunction.
- dwCode
- Specifies an I/O control code for this function to be performed. This function supports only one I/OCTL value, IOCTL_WAV_MESSAGE.
- pBufIn
- Pointer to the MMDRV_MESSAGE_PARAMSinput parameter structure.
- dwLenIn
- Specifies the size, in bytes, of input parameter structure ( sizeof( MMDRV_MESSAGE_PARAMS)).
- pBufOut
- Pointer to the return value ( DWORD).
- dwLenOut
- Specifies the size of the return value variable ( sizeof( DWORD)).
- pdwActualOut
- Not used.
Return Values
TRUE indicates success. FALSE indicates failure.
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 1.0 and later Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
Last updated on Tuesday, July 13, 2004