pdfGetFieldHighlightMode

int32_t __stdcall pdfGetFieldHighlightMode(PPDF IPDF, uint32_t AField);
BOOL32 __stdcall pdfSetFieldHighlightMode(PPDF IPDF, uint32_t AField, int32_t Mode);

function pdfGetFieldHighlightMode(const IPDF: PPDF; AField: Cardinal): Integer; stdcall;
function pdfSetFieldHighlightMode(const IPDF: PPDF; AField: Cardinal; Mode: Integer): LongBool; stdcall;

Purpose. Get/set a field's /H mouse-down highlight mode — the form-field counterpart of pdfSetAnnotHighlightMode (Annotation Appearance and Properties) and pdfSetLinkHighlightMode's document-global default (Links).

Return value. Getter: the mode; 0 if AField doesn't resolve. Setter: True on success.

See also. pdfSetAnnotHighlightMode.

C# (P/Invoke)

public static extern int pdfGetFieldHighlightMode(IntPtr IPDF, uint AField);