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How to run the application continously without hanging in background
public void Button1_Click(System.Object sender, System.EventArgs e)
    {
        if (Button1.Text == "Start")
        {
            Timer1.Interval = 5000;
            Timer1.Enabled = true;
            Button1.Text = "Stop";
        }
        else if (Button1.Text == "Stop")
        {
            Timer1.Enabled = false;
            Button1.Text = "Start";
        }
    }

public void Timer1_Tick(System.Object sender, System.EventArgs e)
  {
  var bgw = new BackGroundWorker();
  bgw.DoWork += new DoWorkEventHandler(bgw_DoWork);
  }

void bgw_DoWork(object sender, DoWorkEventArgs e)
  {
  // Put you try-catch block here.
  }