private void button5_Click(object sender, EventArgs e) { switch (comboBox1_VideoMode.SelectedItem.ToString()) { case "SlimDX": var sl = new VideoSlimDx(TvFormat.Ntsc, Program.MainForm.panel1, _multi); sl.ChangeSettings(); break; case "GDI": var gd = new VideoGdi(TvFormat.Ntsc, Program.MainForm.panel1); gd.ChangeSettings(); break; case "GDIHiRes": var gdh = new VideoGdi(TvFormat.Ntsc, Program.MainForm.panel1); gdh.ChangeSettings(); break; } }