How to detect when application terminates?

Question

This is a follow up to my initial question and I would like to present my findings and ask for corrections, ideas and insights. My findings (or rather interpretations) come

Answer 1

Just add a new event on your main form:

private void frmMain_Load(object sender, EventArgs e)
{
  Application.ApplicationExit += new EventHandler(this.WhenItStopsDoThis);
}

private void WhenItStopsDoThis(object sender, EventArgs e)
{
  //Program ended. Do something here.
}