2019-11-12-WPF-添加窗口消息钩子方法

        public MainWindow()
        {
            InitializeComponent();

            SourceInitialized += OnSourceInitialized;
        }

        private void OnSourceInitialized(object sender, EventArgs e)
        {
            var windowInteropHelper = new WindowInteropHelper(this);
            var hwnd = windowInteropHelper.Handle;

            HwndSource source = HwndSource.FromHwnd(hwnd);
            source.AddHook(Hook);
        }

        private IntPtr Hook(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam, ref bool handled)
        {
            return IntPtr.Zero;
        }