本文整理汇总了VB.NET中System.Security.Permissions.IsolatedStorageContainment枚举的典型用法代码示例。如果您正苦于以下问题:VB.NET IsolatedStorageContainment枚举的具体用法?VB.NET IsolatedStorageContainment怎么用?VB.NET IsolatedStorageContainment使用的例子?那么, 这里精选的枚举代码示例或许可以为您提供帮助。
在下文中一共展示了IsolatedStorageContainment枚举的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Main
Option Strict On
Imports System.Security.Permissions
Imports System.IO.IsolatedStorage
Imports System.IO
' Notify the CLR to only grant IsolatedStorageFilePermission to called methods.
' This restricts the called methods to working only with storage files that are isolated
' by user and assembly.
<IsolatedStorageFilePermission(SecurityAction.PermitOnly, UsageAllowed:=IsolatedStorageContainment.AssemblyIsolationByUser)> _
Public NotInheritable Class App
Shared Sub Main()
WriteIsolatedStorage()
End Sub
Shared Sub WriteIsolatedStorage()
' Attempt to create a storage file that is isolated by user and assembly.
' IsolatedStorageFilePermission granted to the attribute at the top of this file
' allows CLR to load this assembly and execution of this statement.
Dim s As New IsolatedStorageFileStream("AssemblyData", FileMode.Create, IsolatedStorageFile.GetUserStoreForAssembly())
Try
' Write some data out to the isolated file.
Dim sw As New StreamWriter(s)
Try
sw.Write("This is some test data.")
Finally
sw.Dispose()
End Try
Finally
s.Dispose()
End Try
' Attempt to open the file that was previously created.
Dim t As New IsolatedStorageFileStream("AssemblyData", FileMode.Open, IsolatedStorageFile.GetUserStoreForAssembly())
Try
' Read the data from the file and display it.
Dim sr As New StreamReader(t)
Try
Console.WriteLine(sr.ReadLine())
Finally
sr.Dispose()
End Try
Finally
t.Dispose()
End Try
End Sub
End Class
输出:
Some test data.