public void select(int s) { switch (s) { case 0: pbCanvas.BackgroundImage = Properties.Resources.VanishScreens_01; selected = 1; play = false; break; case 1: if (play) { Vanish v = new Vanish(1); v.Show(); } else { pbCanvas.BackgroundImage = Properties.Resources.VanishScreens_07; play = true; } break; case 2: if (play) { Vanish v = new Vanish(2); v.Show(); } else { if (!instr) { pbCanvas.BackgroundImage = Properties.Resources.VanishScreens_04; instr = true; } else { pbCanvas.BackgroundImage = Properties.Resources.VanishScreens_02; instr = false; } } break; case 3: if (play) { Vanish v = new Vanish(3); v.Show(); } else { Application.Exit(); } break; case 4: if (play) { Vanish v = new Vanish(4); v.Show(); } break; } }