Illustrates declarative role-based security : File Cryptography « File Stream « C# / C Sharp

Illustrates declarative role-based security

Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110

  Example19_8.cs illustrates declarative role-based security

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

[PrincipalPermissionAttribute(SecurityAction.Demand, Role="Administrators")]
public class Example19_8 
    public static void Main() 

        // Create a new file to work with
        FileStream fsOut = File.Create(@"c:\\temp\\test.txt");
        // Create a StreamWriter to handle writing
        StreamWriter sw = new StreamWriter(fsOut);
        // And write some data
        sw.WriteLine("'Twas brillig, and the slithy toves");
        sw.WriteLine("Did gyre and gimble in the wabe.");


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