public void Closer() { HF.Close(); GF.Close(); pnlHikaye.Visible = false; pnlBasla.Visible = false; pnlYapim.Visible = false; pnlTest.Visible = false; pnlTamam.Visible = false; txtHikaye.Visible = false; txtBasla.Visible = false; txtYapim.Visible = false; txtTest.Visible = false; txtTamam.Visible = false; }