public static void OverlayDisplayFunc(VoidCB func) { glutOverlayDisplayFunc(func); }
public static void IdleFunc(VoidCB func) { glutIdleFunc(func); }
static extern void glutOverlayDisplayFunc(VoidCB func);
public static void DisplayFunc(VoidCB func) { glutDisplayFunc(func); }
static extern void glutIdleFunc(VoidCB func);
static extern void glutDisplayFunc(VoidCB func);