繁體中文当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > Check if a File is in Internet Explorers Cache
- ASP.NET
- many-to-many多对多映射
- .NETRemotingChannelListener
- 转载李建忠老师的一篇文章
- 原创ColorComboBox控件
- 用IDisposable接口释放.NET资源
- c#v2.0 扩展特性 翻译1
- XPath中如何比较不同类型的对象
- 用哈希表搜索对象
- C#陷阱int i = 10; i += i++; i =
- Make a window that pops up from taskbar
- 获取网站返回的头部信息
- 自己动手写屏保
- 在DataGrid中添加Radio单选按钮列
- 实现性能目标的几种方法
- 增强.NETFramework中线程的功能
- ASP.NET 2.0，写无限级下拉菜单不再难
- book_dotnet
- 用.NET武装你的头脑
- 准备你的发布阶段
- 移植到.NET
ASP.NET 中的 Check if a File is in Internet Explorers Cache
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 45 ::
收藏到网摘: n/a
This function can be called to determine if a file is in Internet Explorers cache. CodePrivate Declare Function GetUrlCacheEntryInfo Lib "wininet.dll" Alias _ "GetUrlCacheEntryInfoA" _ (ByVal sUrlName As String, _ lpCacheEntryInfo As Any, _ lpdwCacheEntryInfoBufferSize As Long) As LongFunction Cached(ByVal strURL As String) As Boolean Dim buffer As Long If (GetUrlCacheEntryInfo(strURL, ByVal 0&, buffer)) = 0 Then If (Err.LastDllError = 122) Then Cached = True End Function
Example Usage
Just call the function and give it the url of the file you want to check:MsgBox Cached("http://msdn.microsoft.com/")
评论 (0) All
