AdvancedLauncher.Tools.Interop.RedirectedHwndSourceHost.HasFocusWithinCore C# (CSharp) 메소드

        protected override sealed bool HasFocusWithinCore()
        {
            if (_hwndSource != null) {
                return ((IKeyboardInputSink)_hwndSource).HasFocusWithin();
            } else {
                return base.HasFocusWithinCore();
            }
        }