Aerolinea.seleccionReservacion.btnE3_Click C# (CSharp) Method

private btnE3_Click ( object sender, EventArgs e ) : void
sender	object
e	System.EventArgs
return	void

        private void btnE3_Click(object sender, EventArgs e)
        {
            btnE3.BackColor = Color.Red;
        }

seleccionReservacion