private async void checkColor() { while (true) { if (swap) { HamburgerMenuControl.PaneBackground = (SolidColorBrush)(new BrushConverter().ConvertFrom(color)); Vlive.WindowTitleBrush = (SolidColorBrush)(new BrushConverter().ConvertFrom(color)); Vlive.NonActiveWindowTitleBrush = (SolidColorBrush)(new BrushConverter().ConvertFrom(color)); Vlive.Background = (SolidColorBrush)(new BrushConverter().ConvertFrom(colorb)); swap = false; //return; } await Task.Delay(2000); taskBarItemInfo.ProgressValue = HomeView.getPercent(); } }