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DDHAL_WAITFORVPORTSYNCDATA (Windows CE 5.0)

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This structure contains the information required to sync the video port. This structure passes the information to the DirectDraw hardware abstraction layer (DDHAL) WaitForVideoPortSync callback function.

typedef struct _DDHAL_WAITFORVPORTSYNCDATA {LPDDRAWI_DIRECTDRAW_LCLlpDD;LPDDRAWI_DDVIDEOPORT_LCLlpVideoPort;DWORDdwFlags;DWORDdwLine;DWORDdwTimeOut;HRESULTddRVal;LPDDHALVPORTCB_WAITFORSYNCWaitForVideoPortSync;} DDHAL_WAITFORVPORTSYNCDATA;

Members

  • lpDD**
    Pointer to the DDRAWI_DIRECTDRAW_LCL structure that represents the DirectDraw object.

  • lpVideoPort**
    Pointer to the DDRAWI_DDVIDEOPORT_LCL structure that represents this video port.

  • dwFlags**
    Control flags for video synchronization.

    The following table shows the possible flags.

    Flag Description
    DDVPWAIT_BEGIN Waits until the beginning of the next V-sync.
    DDVPWAIT_END Waits until the end of the next or current V-sync.
    DDVPWAIT_LINE Waits until the beginning of the specified line.
  • dwLine**
    Indicates the line number on which to synchronize.

  • dwTimeOut**
    Indicates the maximum amount of time to wait, in milliseconds, before timing out.

  • ddRVal**
    Passes the DirectDraw return values.

  • WaitForVideoPortSync**
    This member is used by DirectDraw and should not be filled in by the driver.

Requirements

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Ddrawi.h.

See Also

WaitForVideoPortSync | DDRAWI_DIRECTDRAW_LCL | DDRAWI_DDVIDEOPORT_LCL | Video Port Structures

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