Create a One page PDF with a line of text

procedure TfrmMain.Button1Click(Sender: TObject);
var
QP: TQuickPDF0712;
begin
QP := TQuickPDF0712.Create;
try
   QP.UnlockKey(' key goes here ');

   // Set the page size of the default document
   QP.SetPageSize('A4 Landscape');

   // Set centered horizontal alignment
   QP.SetTextAlign(1);

   // Draw the text centered on the page, the final
   // 0 parameter is for centered vertical alignment
   QP.DrawTextBox(0, QP.PageHeight, QP.PageWidth, QP.PageHeight,
     'Created with Quick PDF Library', 0);

   QP.SaveToFile('filename.pdf');
finally
   QP.Free;
end;
end;