pdfEncapsulateContentStream

Purpose — Wrap the current page's entire content in q … Q so its graphics-state changes cannot leak into content appended afterwards.

Description — Reads the open page's content bytes and rewrites them as q\n<content>Q\n. Typical use: after importing a page with ifImportAsPage or after pdfSetContent, before stamping additional content on top.

int32_t __stdcall pdfEncapsulateContentStream(PPDF IPDF);

Return value — 1 on success; 0 if no page is open (or invalid handle). Integer, not BOOL32.

C# (P/Invoke)

public static extern int pdfEncapsulateContentStream(IntPtr IPDF);