Microsoft Windows CE 3.0  

GetVideoPortField

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The GetVideoPortFieldcallback function determines whether the current field of an interlaced signal is even or odd. This callback is only required if the DDVPCAPS_READBACKFIELDflag is set in the DDVIDEOPORTCAPSstructure.

DWORD __stdcall GetVideoPortField(
LPDDHAL_GETVPORTFIELDDATA
pgvpfd
);

Parameters

pgvpfd
Pointer to a DDHAL_GETVPORTFIELDDATAstructure 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: