WPDM_OPEN (Windows Embedded CE 6.0)
1/6/2010
This message is passed to the PDD_WaveProc function to instruct the audio PDD to indicate that the waveform device will be sent data of the specified format.
Parameters
apidir
Input and output; one of the following values.Value Description WAPI_IN
Opens input path.
WAPI_OUT
Opens output path.
- dwParam1
Pointer to a WAVEFORMATEX structure that points to the format of the data to be played.
- dwParam2
BOOL. TRUE indicates that the driver needs to check only if the specified format is supported. If the format is not supported, the driver returns WAVEERR_BADFORMAT. FALSE indicates that this WPDM_OPEN message is a genuine open request.
Requirements
| Header | waveddsi.h |
| Windows Embedded CE | Windows CE 1.0 and later |