C#

this.Text="New title"

private bool bDeathClicked; // class member variable



private void OnbuttonDeath_Click(object sender, EventArgs e)
{	
   if(bDeathClicked)
   {
      this.buttonDeath.Text = "Manual";
      this.groupeBoxCarnage.Enabled = true;
      bDeathClicked = !bDeathClicked;
   }
   else
   {
      this.buttonDeath.Text = "Automatic";
      this.groupeBoxCarnage.Enabled = false;
      bDeathClicked = !bDeathClicked;
   }
}