pdfGetPageLayout

int32_t __stdcall pdfGetPageLayout(PPDF IPDF);
BOOL32 __stdcall pdfSetPageLayout(PPDF IPDF, int32_t Layout);
int32_t __stdcall pdfGetPageMode(PPDF IPDF);
BOOL32 __stdcall pdfSetPageMode(PPDF IPDF, int32_t Mode);

function pdfGetPageLayout(const IPDF: PPDF): Integer; stdcall;
function pdfSetPageLayout(const IPDF: PPDF; Layout: Integer): LongBool; stdcall;
function pdfGetPageMode(const IPDF: PPDF): Integer; stdcall;
function pdfSetPageMode(const IPDF: PPDF; Mode: Integer): LongBool; stdcall;

Purpose. Get/set the document's /PageLayout (SinglePage/OneColumn/ TwoColumnLeft/etc — initial page-spread display) and /PageMode (UseNone/UseOutlines/UseThumbs/FullScreen/etc — initial UI panel state) catalog entries.

Return value. Getters: the current value; 0 if IPDF invalid. Setters: True if IPDF valid.

C# (P/Invoke)

public static extern int pdfGetPageLayout(IntPtr IPDF);