AUv3Host.ViewController.ToggleView C# (CSharp) Method

		partial void ToggleView (UIButton sender)
		{
			if (RemoveChildController ())
				return;

			playEngine.AudioUnit?.RequestViewController (viewController => {
				if (viewController == null || viewController.View == null) {
					NoViewLabel.Hidden = false;
					return;
				}

				var view = viewController.View;
				AddChildViewController (viewController);
				view.Frame = ViewContainer.Bounds;

				ViewContainer.AddSubview (view);
				childViewController = viewController;

				viewController.DidMoveToParentViewController (this);
				NoViewLabel.Hidden = true;
			});
		}