mcs/class/referencesource/System.Web/Util/PathUtil.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="PathUtil.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //------------------------------------------------------------------------------
   6
   7 namespace System.Web.Util {
   8     using System;
   9     using System.IO;
  10     using System.Security.Permissions;
  11
  12     internal static class PathUtil {
  13
  14         private static string _system32Path = GetSystem32Path();
  15
  16         [FileIOPermission(SecurityAction.Assert, Unrestricted = true)] // we don't leak this path anywhere
  17         private static string GetSystem32Path() {
  18             return Environment.GetFolderPath(Environment.SpecialFolder.System);
  19         }
  20
  21         // Gets the full path to a file in the SYSTEM32 folder (which is correct for both 32-bit and 64-bit architectures).
  22         // Example: "foo.dll" -> "C:\Windows\System32\foo.dll"
  23         internal static string GetSystemDllFullPath(string filename) {
  24             return Path.Combine(_system32Path, filename);
  25         }
  26
  27     }
  28 }