Microsoft Windows CE 3.0  

WAVEOPENDESC

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This structure contains information needed by waveform input and output drivers.

typedef struct {
HWAVE
hWave; 
LPWAVEFORMATEX
lpFormat; 
DWORD
dwCallback; 
DWORD
dwInstance; 
UINT
uMappedDeviceID; 
} WAVEOPENDESC;

Members

hWave
Handle to the device, as assigned by Waveapi.dll.
lpFormat
Pointer to a WAVEFORMATEXstructure, indicating the waveform data format requested by the client.
dwCallback
Handle to the callback thread inside Waveapi.dll.
dwInstance
Specifies the dwCallbackInstancemember that the client specified when calling the waveInOpenor the waveOutOpenfunction.
uMappedDeviceID
Specifies the device identifier of a mapped device.

Remarks

This structure is created by the Waveapi.dll file and passed to the driver with a WODM_OPEN or WIDM_OPEN message.

Requirements

Runs on Versions Defined in Include Link to
Windows CE OS 1.0 and later Mmddk.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.


 Last updated on Tuesday, July 13, 2004

© 2004 Microsoft Corporation. All rights reserved.