Vidyano.View.LayoutAwarePage.CoreDispatcher_AcceleratorKeyActivated C# (CSharp) Method

        private void CoreDispatcher_AcceleratorKeyActivated(CoreDispatcher sender, AcceleratorKeyEventArgs args)
        {
            var virtualKey = args.VirtualKey;

            // Only investigate further when Left, Right, or the dedicated Previous or Next keys are pressed
            if ((args.EventType == CoreAcceleratorKeyEventType.SystemKeyDown || args.EventType == CoreAcceleratorKeyEventType.KeyDown) &&
                (virtualKey == VirtualKey.Left || virtualKey == VirtualKey.Right || (int)virtualKey == 166 || (int)virtualKey == 167))
            {
                var coreWindow = Window.Current.CoreWindow;
                var downState = CoreVirtualKeyStates.Down;
                var menuKey = (coreWindow.GetKeyState(VirtualKey.Menu) & downState) == downState;
                var controlKey = (coreWindow.GetKeyState(VirtualKey.Control) & downState) == downState;
                var shiftKey = (coreWindow.GetKeyState(VirtualKey.Shift) & downState) == downState;
                var noModifiers = !menuKey && !controlKey && !shiftKey;
                var onlyAlt = menuKey && !controlKey && !shiftKey;

                if (((int)virtualKey == 166 && noModifiers) || (virtualKey == VirtualKey.Left && onlyAlt))
                {
                    // When the previous key or Alt+Left are pressed navigate back
                    args.Handled = true;
                    GoBack(this, new RoutedEventArgs());
                }
                else if (((int)virtualKey == 167 && noModifiers) || (virtualKey == VirtualKey.Right && onlyAlt))
                {
                    // When the next key or Alt+Right are pressed navigate forward
                    args.Handled = true;
                    GoForward(this, new RoutedEventArgs());
                }
            }
        }