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 fr a me, is to force the code, the principle is relatively easy to unders