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Paradoxal Press

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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 6-3 extracted from chapter Security


Listing 6-2<     > Listing 6-4


This listing can be compiled with the command line:
csc.exe /target:exe Example_6_3.cs
Errors: 0 Warnings: 0


Example_6_3.cs
using System.Security;
using System.Security.Permissions;
class Program {
   static void Main() {
      string sFile = @"C:\data.txt";
      CodeAccessPermission cap =
         new FileIOPermission(FileIOPermissionAccess.Read, sFile);
      try{
         cap.Demand();
         // Read the "C:\data.txt" file.
      }
      catch SecurityException ){
         // The code is not allowed to read "C:\data.txt".
      }
   }
}	
Copyright Patrick Smacchia 2006 2007