本文整理匯總了VB.NET中System.Runtime.Caching.CacheItem類的典型用法代碼示例。如果您正苦於以下問題：VB.NET CacheItem類的具體用法？VB.NET CacheItem怎麽用？VB.NET CacheItem使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了CacheItem類的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: CacheItemPolicy
' 導入命名空間
Imports System.Runtime.Caching
Imports System.IO
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cache As ObjectCache = MemoryCache.Default
Dim fileContents As CacheItem = cache.GetCacheItem("filecontents")
If fileContents Is Nothing Then
Dim policy As New CacheItemPolicy()
Dim filePaths As New List(Of String)()
Dim CachedFilePaths As String = Server.MapPath("~") & "\cacheText.txt"
filePaths.Add(CachedFilePaths)
policy.ChangeMonitors.Add(New HostFileChangeMonitor(filePaths))
' Fetch the file contents
Dim fileData As String = File.ReadAllText(CachedFilePaths)
fileContents = New CacheItem("filecontents", fileData)
cache.Set(fileContents, policy)
End If
Label1.Text = TryCast(fileContents.Value, String)
End Sub
End Class