JPG压缩类，适用于VB6，可把其它格式的图片压缩后存储为JPEG格式。仅是类的源码，没有包括实例，想用的自己摸索下吧。-JPG compression class for VB6, may be after the other format images are stored as compressed JPEG format. Only source category does not include instances, would like to use their own way un