Enumeração SecurityAction

using System;
using System.Security.Permissions;
using System.IO.IsolatedStorage;
using System.IO;

// Notify the CLR to grant this assembly the IsolatedStorageFilePermission. // This allows the assembly to work with storage files that are isolated // by user and assembly.
[assembly: IsolatedStorageFilePermission(SecurityAction.RequestMinimum, UsageAllowed = IsolatedStorageContainment.AssemblyIsolationByUser)]

publicsealedclass App
{
    staticvoid Main()
    {
        // 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.using (Stream s = new IsolatedStorageFileStream("AssemblyData", FileMode.Create, IsolatedStorageFile.GetUserStoreForAssembly()))
        {

             // Write some data out to the isolated file.using (StreamWriter sw = new StreamWriter(s))
             {
                sw.Write("This is some test data.");
             }
        }

        // Attempt to open the file that was previously created.using (Stream s = new IsolatedStorageFileStream("AssemblyData", FileMode.Open, IsolatedStorageFile.GetUserStoreForAssembly()))
        {
             // Read the data from the file and display it.using (StreamReader sr = new StreamReader(s))
             {
                 Console.WriteLine(sr.ReadLine());
             }
        }
    }
}

// This code produces the following output.////  Some test data.