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The DDHAL_GETDRIVERINFODATAstructure returns the driver-specific information. This structure passes the information to the GetDriverInfocallback function.
typedef struct _DDHAL_GETDRIVERINFODATA { DWORD
dwSize
;
DWORD
dwFlags
;
GUID
guidInfo
;
DWORD
dwExpectedSize
;
LPVOID
lpvData
;
DWORD
dwActualSize
;
HRESULT
ddRVal
;
ULONG_PTR
dwContext
;
} DDHAL_GETDRIVERINFODATA;
Members
- dwSize
- Size of the structure as an input field filled in by DirectDraw.
- dwFlags
- 0 specifies that no flags are currently defined. This input field is filled in by DirectDraw.
- guidInfo
- GUID for which DirectX is querying. This input field is filled in by DirectDraw.
- dwExpectedSize
- Amount of data in bytes that DirectDraw expects the driver to pass back. This input field is filled in by DirectDraw.
- lpvData
- Pointer to the buffer into which the driver is to copy the requested data. This input field is filled in by DirectDraw.
- dwActualSize
- Specifies the amount of data, in bytes, expected by the driver. This output field is filled in by the device driver.
- ddRVal
- Returns the value from the driver. This output field is filled in by the device driver.
- dwContext
- Context information for the driver. This input field is filled
in by DirectDraw. This is the
hDDmember of the
DDRAWI_DIRECTDRAW_GBLstructure.
Last updated on Tuesday, July 13, 2004