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   procedure extractPage();
   var
     DC   : Variant;
     RVal : Integer;
     pageToExtract : Integer;
   begin
     pageToExtract := 2;

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

       RVal := DC.extractPDFPages('d:\test.pdf','d:\page.pdf',
                    pageToExtract, pageToExtract);


       if (RVal <> 0) then
          ShowMessage('There was an error!!! Code: '+IntToStr(RVal))
       else
          ShowMessage('Done !!!');
     finally
       DC := Unassigned;
     end;
   end;