Printdialog auto cancel (timeout)

private void button1_Click( object sender, EventArgs e ) {

   Timer timer = new Timer() {
      Interval = 10000
   };

   timer.Tick += Timer_Tick;
   timer.Start();

   try {
      using ( PrintDialog pdi = new PrintDialog() ) {
         if ( pdi.ShowDialog( this ) == DialogResult.Cancel ) {
            return;
         }
         MessageBox.Show( "Printing" );
      }
   } finally {
      timer.Stop();
      timer.Dispose();
   }
}

private void Timer_Tick( object sender, EventArgs e ) {
   SendKeys.Send( "{ESC}" );
}