function ImportPages(const Source: TPdf; const Range: WString = ''): Boolean
Copies one or more pages from another open TPdf into this document.
Pass an empty Range to import every page; pass "1-3,5" for a custom subset.
All edits to the current page are buffered in PDFium's in-memory representation. Call UpdatePage to refresh the rendering cache and SaveToFile to persist the changes.
Pdf1.Active on oltava True ja sivu on valittava ennen näiden primitiivien kutsumista
begin
if Pdf1.Active then
begin
Pdf1.MoveTo(100, 100);
Pdf1.LineTo(200, 150);
Pdf1.LineTo(200, 200);
Pdf1.ClosePath;
Pdf1.AddPath(clRed, 1.5, clYellow, fmWinding);
Pdf1.UpdatePage;
end;
end;