VB用键盘进行图像控制，边移动边放大或缩小，↑键图像向上移动并逐渐变小 ↓键图像向上移动并逐渐变大 →键图像向右移动并逐渐变小 ←键图像向左移动并逐渐变大，回车键还原。

-VB image control with the keyboard, zoom in or out while moving, ↑ key to move up the image and the image gradually becomes smaller ↓ keys move up and gradually become larger image to the right → key to move and gradually become smaller ← key image to the left and gradually larger, the Enter key to restore.