当访问Internet某个站点时，系统首先将远程文件读入到本机Temporary Internet Files文件夹。现在告诉大家一个小技巧可以用VB语言和一个API函数实现判断网页文件是否在IE缓存中。-when visiting certain Internet sites, the system will first read remote files to the machine Temporary Internet Files folder. Now tell us a little techniques can be used VB language and an API function to judge whether the documents for the Web in IE cache.