注册快捷键

#region 注册快捷键
        protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
        {
            switch (keyData)
            {
                case Keys.Enter:
                    this.Save();//方法
                    break;
                case Keys.Home:
                    this.First();//方法
                    break;
                case Keys.PageUp:
                    this.Previous();//方法
                    break;
                case Keys.PageDown:
                    this.Next();//方法
                    break;
                case Keys.End:
                    this.Last();//方法
                    break;
                case Keys.Escape:
                    this.Exit();//方法
                    break;
            }
            return base.ProcessCmdKey(ref msg, keyData);
        }
        #endregion