共用方式為


GetVideoPortField (Windows CE 5.0)

Send Feedback

This callback function determines whether the current field of an interlaced signal is even or odd. It is only required if the DDVPCAPS_READBACKFIELD flag is set in the DDVIDEOPORTCAPS structure.

DWORD GetVideoPortField(LPDDHAL_GETVPORTFIELDDATApgvpfd);

Parameters

  • pgvpfd
    [in, out] Pointer to a DDHAL_GETVPORTFIELDDATA structure that contains the information required to determine whether the current field of an interlaced signal is even or odd.

Return Values

Returns one of the following values:

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_GETVPORTFIELDDATA | DDVIDEOPORTCAPS | DDHAL_DRIVER_HANDLED | DDHAL_DRIVER_NOTHANDLED

Send Feedback on this topic to the authors

Feedback FAQs

© 2006 Microsoft Corporation. All rights reserved.