C#键盘控制按钮的光标键

. 将 FORM 的 KeyPreview 设为 true;
2. 在 FORM 的KeyDown 事件中，写如下的代码

switch (e.KeyCode)
            {
                case Keys.Left:
                    this.button1.Left -= 1; break;
                case Keys.Right:
                    this.button1.Left += 1; break;
                case Keys.Up:
                    this.button1.Top -= 1; break;
                case Keys.Down:
                    this.button1.Top += 1; break;
                default:
                    break;
            }