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The DD_GETVPORTLINEDATA structure contains the current line number of the hardware video port.
Syntax
typedef struct _DD_GETVPORTLINEDATA {
PDD_DIRECTDRAW_LOCAL lpDD;
PDD_VIDEOPORT_LOCAL lpVideoPort;
DWORD dwLine;
HRESULT ddRVal;
VOID *GetVideoPortLine;
} *PDD_GETVPORTLINEDATA, DD_GETVPORTLINEDATA;
Members
lpDD
Points to a DD_DIRECTDRAW_LOCAL structure that is relevant to the current Microsoft DirectDraw process only.
lpVideoPort
Points to a DD_VIDEOPORT_LOCAL structure that represents this video port extensions (VPE) object.
dwLine
Specifies the ___location in which the driver should write the current line number on the hardware video port.
ddRVal
Specifies the ___location in which the driver writes the return value of the DdVideoPortGetLine callback. A return code of DD_OK indicates success. For more information, see Return Values for DirectDraw.
GetVideoPortLine
Used by the DirectDraw API and should not be filled in by the driver.
Requirements
| Requirement | Value |
|---|---|
| Header | ddrawint.h (include Winddi.h) |