private void bunifuFlatButton1_Click_2(object sender, EventArgs e) { if (Application.OpenForms.OfType <Settings_NB>().Count() == 1) { Application.OpenForms.OfType <Settings_NB>().First().Close(); } Settings_NB frm = new Settings_NB(); frm.Show(); }
private void bunifuFlatButton1_Click(object sender, EventArgs e) { Settings_NB set = new Settings_NB(); set.Show(); }