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Check for Windows 7 Protected Folders

, 20 Oct 2011 CPOL
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Check for Windows 7 Protected Folders
.NET 2.0 File.Copy() (build using VS2005) function does not throw any exception if you want to copy a file in Windows 7 protected folder like "C:\", "C:\Program Files", etc. and it does not perform the copy operation too. Actually it performs the desired copy operation in virtual file store, i.e., %localappdata%\VirtualStore. This works as expected if you run your application as administrator. Below is a tip to check if the folder is protected or not, i.e., you can use File.Copy() method as a target folder in File.Copy() .
 
using System;
using System.Collections.Generic;
using System.Text;
using System.Security.AccessControl;
using System.Security.Principal;
 
namespace FolderAccess
{
   class Program
   {
      private static bool IsProtected(string folder)
      {
         DirectorySecurity ds = new DirectorySecurity(folder, AccessControlSections.Access);
         if (ds.AreAccessRulesProtected)
         {
 
            WindowsIdentity wi = WindowsIdentity.GetCurrent();
            WindowsPrincipal wp = new WindowsPrincipal(wi);
 
            return !wp.IsInRole(WindowsBuiltInRole.Administrator); // Not running as admin
         }
 
         return false;
      }
 
      static void Main(string[] args)
      {
         if (IsProtected("C:\\"))
         {
            Console.WriteLine("Protected folder");
         }
         else
         {
            Console.WriteLine("Not a protected folder");
         }
         Console.ReadKey();
      }
   }
}

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Manish K. Agarwal
Software Developer (Senior) Oracle
India India
Working with Oracle. Using C/C++, VC++, MFC, STL, C#, Java etc. on various platform like Windows, Unix, Macintosh etc. from last 13+ years to convert various type of requirements into running software components. My core expertise is multithreaded desktop product and large scale enterprises software development.
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Comments and Discussions

 
BugDoes not work Pinmembercartque2-Dec-13 10:43 
GeneralRe: Does not work PinmemberManish K. Agarwal4-Dec-13 1:30 
GeneralAre you sure it doesn't throw an exception? On my Win7 box, ... PinmemberRichard Deeming19-Oct-11 10:23 
GeneralRe: yes, I am sure that it does not throw any exception provided... PinmemberManish K. Agarwal19-Oct-11 22:11 
yes, I am sure that it does not throw any exception provided you used VS2005 to build your code. If you use VS2008, it throw an exception.
 
even if you create a temp file on C:\ using a Win32 API, temp file does not get created but if you use FileExist it return true. Behaviour is no correct in case of application build using VS2005 and used on Windows 7 to do file manipulation on a OS protected folder.
GeneralRe: Yes, you are correct. It is coping files in virtual file sto... PinmemberManish K. Agarwal19-Oct-11 22:23 
GeneralReason for my vote of 5 Great idea. PinmemberTalon010917-Oct-11 22:46 
GeneralReason for my vote of 1 Does not work! Pinmembergxdata17-Oct-11 18:05 
GeneralRe: could you pls explain what problem you are facing and what y... PinmemberManish K. Agarwal18-Oct-11 2:49 

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