public void clear() { this.active = null; instance = null; }
public static DisplayManager Instance() { if (instance == null) instance = new DisplayManager(); return instance; }
public void clear() { this.active = null; instance = null; }
public void clear() { this.active = null; instance = null; }
public static DisplayManager Instance() { if (instance == null) instance = new DisplayManager(); return instance; }
public void clear() { this.active = null; instance = null; }