function DeleteAttachment(Index: Integer): Boolean;
Removes the embedded file attachment at the given index.
Indices shift down after deletion; delete top-down to remove multiple at once.
Alla ändringar på aktuell sida buffras i PDFiums minnesrepresentation. Anropa UpdatePage to refresh the rendering cache and SaveToFile to persist the changes.
Pdf1.Active måste vara True och en sida måste vara vald innan dessa primitiver anropas.
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;