键盘事件（按Ese关闭画面）

            this.Name = "Form1";
            this.Text = "C＃处理键盘事件！";
            this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyUp); 

 

        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode.Equals(Keys.Escape))
            {
                this.Close();
            }
        }