public override void ViewDidLoad() { base.ViewDidLoad(); DrawView.SliderPosition = SliderToControlItems.Value; DrawView.MaxSize = SliderToControlItems.MaxValue; var tapGesture = new UITapGestureRecognizer(Tap); DrawView.AddGestureRecognizer(tapGesture); var panGesture = new UIPanGestureRecognizer(Pan); DrawView.AddGestureRecognizer(panGesture); SelectDrawFigure.ValueChanged += (sender, e) => { DrawView.DrawableFigure = (int)SelectDrawFigure.SelectedSegment; }; SliderToControlItems.ValueChanged += (sender, e) => { DrawView.MaxSize = SliderToControlItems.MaxValue; DrawView.SliderPosition = SliderToControlItems.Value; }; }