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WPDM_GETDEVCAPS (Windows Embedded CE 6.0)

  • Article

1/6/2010

This message is passed to the PDD_WaveProc function to instruct the audio PDD to query the hardware to determine its capabilities.

Parameters

  • apidir
    Input and output; one of the following values.

    Value Description

    WAPI_IN

    Obtain input capabilities.

    WAPI_OUT

    Obtain output capabilities.
  • dwParam1
    Pointer to a WAVEINCAPS or WAVEOUTCAPS structure that holds information about capabilities. If this parameter is NULL, the PDD returns immediately, indicating whether the driver supports the specified direction of data transfer. For example, if apidir is WAPI_IN, and input is not supported, this function returns MMSYSERR_NOTSUPPORTED.
  • dwParam2
    Specifies the size, in bytes, of WAVEINCAPS or WAVEOUTCAPS.

Requirements

Header waveddsi.h
Windows Embedded CE Windows CE 1.0 and later

See Also

Reference

WPDM Messages
PDD_WaveProc

Other Resources

WAVEINCAPS
WAVEOUTCAPS