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This message is passed to the PDD_WaveProcfunction to instruct the audio PDD to put the audio circuitry in standby mode.
Parameters
- apidir
- Input and output; one of the following values:
Value Description WAPI_IN Puts input circuitry in standby. WAPI_OUT Puts output circuitry in standby. - dwParam1
- Not used.
- dwParam2
- Not used.
Remarks
This message should turn off as much of the audio circuit as possible. When this message is called again, the audio circuitry should be turned on as quickly as possibly. This message is sent between playback of sounds to minimize audio circuit power drain.
Requirements
Runs on Versions Defined in Include Link to Windows CE OS 1.0 and later Waveddsi.h 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.
See Also
Last updated on Tuesday, July 13, 2004