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DRVM_MAPPER_PREFERRED_GET

  • Article

This message is used to query the preferred device, using the existing waveInMessage or waveOutMessage function to the WAVE_MAPPER device id.

DRVM_MAPPER_PREFERRED_GET
  wParam = pDeviceID 
  lParam = Reserved

Parameters

  • pDeviceID
    Pointer to the DWORD variable into which the function writes the device ID of the current preferred device. If no device is available that qualifies as a preferred device, the variable will cotntain -1.
  • lParam
    Reserved; must be zero.

Return Values

One of the values described in the following table is returned.

Value Description
MMSYSERR_NOERROR The call was a success.
MMSYSERR_ERROR The call failed.

Requirements

OS Versions: Windows Mobile 5.0 AKU1 and later.

See Also

Waveform Audio Messages | Switching Preferred Audio Devices | waveInMessage | waveOutMessage