Illustrates demanding permissions : File Cryptography « File Stream « C# / C Sharp

1. C# / C Sharp
2. File Stream
3. File Cryptography

Illustrates demanding permissions

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

Publisher: Sybex;
ISBN: 0782129110
*/

/*
  Example19_5.cs illustrates demanding permissions
*/

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

[FileIOPermissionAttribute(SecurityAction.Demand,
All=@"c:\\temp")]
public class Example19_5 
{

    public static void MakeFile() 
    {

        // 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.");
        sw.Flush();
        sw.Close();

    }
}
          
       

Related examples in the same category

1.	Illustrates asymmetric cryptography
2.	Illustrates decrypting a file
3.	Illustrates encrypting a file
4.	Illustrates declarative role-based security