private void PreviousPieOnClick(object sender, MouseButtonEventArgs e) { if (PieView == null) { return; } var current = PieExamples.IndexOf(CartesianView); current--; PieView = current >= 0 ? PieExamples[current] : PieExamples[PieExamples.Count - 1]; }
private void NextPieOnClick(object sender, MouseButtonEventArgs e) { if (PieView == null) { return; } var current = PieExamples.IndexOf(CartesianView); current++; PieView = PieExamples.Count > current ? PieExamples[current] : PieExamples[0]; }