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Categories / C# Tutorial / File Directory Stream

 

Declarative Permission demo

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();         }     }