C# Windows Form: On Close Do [Process]

Question

How can I get my windows form to do something when it is closed.

Answer 1

 public FormName()
 {
      InitializeComponent();
      this.FormClosed += FormName_FormClosed;
 }

private void FormName_FormClosed(object sender, System.Windows.Forms.FormClosedEventArgs e)
{
   //close logic here
}