WAVEOPENDESC (Windows Embedded CE 6.0)
1/6/2010
This structure contains information needed by waveform input and output drivers.
Syntax
typedef struct waveopendesc_tag {
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 WAVEFORMATEX structure, indicating the waveform data format requested by the client.
- dwCallback
Address of the callback function.
- dwInstance
Specifies the dwCallbackInstance member that the client specified when calling the waveInOpen or the waveOutOpen function.
- 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
| Header | mmddk.h |
| Windows Embedded CE | Windows CE 1.0 and later |
See Also
Reference
Waveform Audio Driver Structures