コード例 #1
0
        public static async Task <bool> SimulateClickAsync(this ButtonBase button, JoinableTaskFactory joinableTaskFactory)
        {
            await joinableTaskFactory.SwitchToMainThreadAsync();

            if (!button.IsEnabled || !button.IsVisible)
            {
                return(false);
            }

            if (button is RadioButton radioButton)
            {
                ISelectionItemProvider peer = new RadioButtonAutomationPeer(radioButton);
                peer.Select();
            }
            else if (button is Button button2)
            {
                IInvokeProvider peer = new ButtonAutomationPeer(button2);
                peer.Invoke();
            }
            else
            {
                button.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent));
                ExecuteCommandSource(button, true);
            }

            // Wait for changes to propagate
            await Task.Yield();

            return(true);
        }
コード例 #2
0
        private void Shell_KeyDown(object sender, KeyRoutedEventArgs e)
        {
            FocusNavigationDirection direction = FocusNavigationDirection.None;

            switch (e.Key)
            {
            case Windows.System.VirtualKey.Space:
            case Windows.System.VirtualKey.Enter: {
                var control = FocusManager.GetFocusedElement() as Control;
                var option  = control as RadioButton;
                if (option != null)
                {
                    var automation = new RadioButtonAutomationPeer(option);
                    automation.Select();
                }
            }
                return;

            // Otherwise. find next focusable element in apprpriate direction

            case Windows.System.VirtualKey.Left:
            case Windows.System.VirtualKey.GamepadDPadLeft:
            case Windows.System.VirtualKey.GamepadLeftThumbstickLeft:
            case Windows.System.VirtualKey.NavigationLeft:
                direction = FocusNavigationDirection.Left;
                break;

            case Windows.System.VirtualKey.Right:
            case Windows.System.VirtualKey.GamepadDPadRight:
            case Windows.System.VirtualKey.GamepadLeftThumbstickRight:
            case Windows.System.VirtualKey.NavigationRight:
                direction = FocusNavigationDirection.Right;
                break;

            case Windows.System.VirtualKey.Up:
            case Windows.System.VirtualKey.GamepadDPadUp:
            case Windows.System.VirtualKey.GamepadLeftThumbstickUp:
            case Windows.System.VirtualKey.NavigationUp:
                direction = FocusNavigationDirection.Up;
                break;

            case Windows.System.VirtualKey.Down:
            case Windows.System.VirtualKey.GamepadDPadDown:
            case Windows.System.VirtualKey.GamepadLeftThumbstickDown:
            case Windows.System.VirtualKey.NavigationDown:
                direction = FocusNavigationDirection.Down;
                break;
            }
            if (direction != FocusNavigationDirection.None)
            {
                var control = FocusManager.FindNextFocusableElement(direction) as Control;
                if (control != null)
                {
                    control.Focus(FocusState.Programmatic);
                    e.Handled = true;
                }
            }
        }