public bool ScreensAddOrDel(string img) { if (Screens == null) { Screens = new List <string>(); } if (Screens.Contains(img)) { Screens.Remove(img); return(false); } else { Screens.Add(img); return(true); } }
public bool HasScreen(GuiScreen screen) { return(Screens.Contains(screen)); }
public bool ContainsKey(IScreen key) { return(Screens.Contains(key)); }