VB利用PictureBox控件实现图像的放大和缩小，使用图片框放大缩小图像，很给力的代码，其原理也是比较容易理解的，因此对学习VB的新手来说是个不错的参考源码-VB PictureBox control to achieve the use of images zoom in and out using the zoom image picture frame, is to force the code, the principle is relatively easy to understand, so the novice to learn VB is a good reference source