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This callback function returns at the beginning or end of either the video V-sync operation or the specified line.
DWORD WaitForVideoPortSync(LPDDHAL_WAITFORVPORTSYNCDATApwfvpsd);
Parameters
- pwfvpsd
[in, out] Pointer to a DDHAL_WAITFORVPORTSYNCDATA structure that contains the video V-sync information for the specified video port.
Return Values
Returns one of the following values:
Remarks
If the V-sync operation does not occur before the number of milliseconds specified in the dwTimeOut member of the DDHAL_WAITFORVPORTSYNCDATA structure has elapsed, the HAL should set the ddRVal member of the DDHAL_WAITFORVPORTSYNCDATA structure to DDERR_VIDEONOTACTIVE.
Requirements
OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Ddrawi.h.
Link Library: Developer implemented.
See Also
Video Port Extension Callback Functions | DDHAL_WAITFORVPORTSYNCDATA | DDERR_VIDEONOTACTIVE | DDHAL_DRIVER_HANDLED | DDHAL_DRIVER_NOTHANDLED
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