Declarative Permission demo : File Permission « File Directory Stream « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. File Directory Stream
3. File Permission

using System;
using System.IO;
using System.Security;
using System.Security.Permissions;
using System.Collections.Generic;
using System.Text;


    class Program
    {
        [FileIOPermission(SecurityAction.Demand, AllLocalFiles=FileIOPermissionAccess.Write)]
        static void Main(string[] args)
        {
            FileStream fs = new FileStream("myfile.txt", FileMode.Create);
            fs.WriteByte(65);
            fs.Close();
        }
    }