WPF学习笔记-如何按ESC关闭窗口

 　　　　public ModifyPrice()
        {
            InitializeComponent();
            this.KeyDown += ModifyPrice_KeyDown;
        }

        private void ModifyPrice_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Escape)//Esc键  
            {
                this.Close();
            }
        }