WPDM_OPEN (Windows CE 5.0)
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
OS Versions: Windows CE 1.0 and later.
Header: Waveddsi.h.
See Also
PDD_WaveProc | WAVEFORMATEX | WPDM Messages
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