RSSWeatherLayer.WeatherItemSelectionDlg.IncrementProgressBar C# (CSharp) Method

    private void IncrementProgressBar()
    {
      // InvokeRequired required compares the thread ID of the
      // calling thread to the thread ID of the creating thread.
      // If these threads are different, it returns true.
      if (this.progressBar1.InvokeRequired)
      {
        //call itself on the main thread
        IncrementProgressBarCallback d = new IncrementProgressBarCallback(IncrementProgressBar);
        this.Invoke(d);
      }
      else
      {
        this.progressBar1.Increment(1);
      }

    }