Aerolinea.seleccionReservacion.btnC9_Click C# (CSharp) Method

private btnC9_Click ( object sender, EventArgs e ) : void
sender	object
e	System.EventArgs
return	void

        private void btnC9_Click(object sender, EventArgs e)
        {
            btnC9.BackColor = Color.Red;
        }

seleccionReservacion