/** * generates random colors for the ProgressBar */ protected void SwitchColor() { Random r = new Random(); int randomColor = Color.Rgb(r.Next(256), r.Next(256), r.Next(256)); holoCircularProgressBar.SetProgressColor(randomColor); randomColor = Color.Rgb(r.Next(256), r.Next(256), r.Next(256)); holoCircularProgressBar.SetProgressBackgroundColor(randomColor); }