Code Samples - Document Converter Pro

Example 18: Watermark an existing PDF file - Delphi Copy 

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   procedure TForm1.StampPDFClick(Sender: TObject);
   var
     DC : Variant;
     RVal : Integer;
   begin

     try
       DC := CreateOleObject('Neevia.docConverter');

       DC.setParameter( 'StampMessage', 'Page {p} of {P}' );
  
       DC.setParameter( 'StampRotate', '0' );
       DC.setParameter( 'StampX', '100' );
       DC.setParameter( 'StampY', '100' );
       DC.setParameter( 'StampFontName', 'Helvetica' );
       DC.setParameter( 'StampFontSize', '14' );
       DC.setParameter( 'StampFontColor', '$000000' );

       // place the watermark as stamp (over the page content)
       DC.setParameter( 'Watermark', 'false' ); 

       DC.setParameter( 'PlaceStampOnPages', '0' );

       RVal := DC.stampPDF('c:\users\public\in.pdf', 'c:\users\public\out.pdf');
       If (RVal <> 0) Then
        ShowMessage('There was an error!!! Code: '+IntToStr(RVal))
       Else
        ShowMessage('Done !!!');
     finally
       DC:= Unassigned;
     end;

   end;