实现图片的自动切换效果，和图片放大效果，是一个很好的幻灯片源码-Automatic switch to achieve image effects, and image magnification effect, is a good source of slides

图片的显示和局部放大，可以在大图上选择小区域进行放大，但不能设置放大倍数-Image display and enlarged, you can choose a small area on the large map to zoom in, but can not set the magnification

VS2010 编的 能够打开 显示 保存 图片 用双线性插值算法实现了 图像的放大-VS2010 compiled able to open the display to save the image using a bilinear interpolation algorithm to achieve image magnification