public static async Task EnsureFocusAsync(UIElement element, FocusState focusState, UInt32 Attempts = 3)
{
bool gotFocus = false;
while (Attempts > 0 && !gotFocus)
{
Attempts--;
//TestServicesExtensions.EnsureForegroundWindow();
using (var eventTester = new EventTester <UIElement, RoutedEventArgs>(element, "GotFocus"))
using (var eventTesterFocusMgr = EventTester <object, FocusManagerGotFocusEventArgs> .FromStaticEvent <FocusManager>("GotFocus"))
{
UIExecutor.Execute(() =>
{
if (element.FocusState == focusState && FocusManager.GetFocusedElement(element.XamlRoot).Equals(element))
{
// The element is already focused with the expected focus state
Log.Comment("Focus was already set on this element");
gotFocus = true;
}
else
{
Log.Comment("Setting focus to the element...");
element.Focus(focusState);
}
});
await Task.Delay(100);
//eventTester.WaitForNoThrow(TimeSpan.FromMilliseconds(4000));
//eventTesterFocusMgr.WaitForNoThrow(TimeSpan.FromMilliseconds(4000));
gotFocus = gotFocus == false ? eventTester.HasFired : true;
}
await TestServices.WindowHelper.WaitForIdle();
}
//if (!gotFocus)
//{
// TestServices.Utilities.CaptureScreen("FocusTestHelper");
//}
Verify.IsTrue(gotFocus);
}