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);
}
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;
}
}
}