Environment.SystemDirectory Property

An example of the value returned is the string "C:\WinNT\System32".

The following example displays the system directory of the computer that runs the code example. (The system directory is omitted from the example output for security reasons.)

// Sample for the Environment.SystemDirectory property
using System;

class Sample 
{
    public static void Main() 
    {
    Console.WriteLine();
//  <-- Keep this information secure! -->
    Console.WriteLine("SystemDirectory: {0}", Environment.SystemDirectory);
    }
}
/*
This example produces the following results:

SystemDirectory: C:\WINNT\System32
*/

.NET Framework

.NET Framework Client Profile

• FileIOPermission 

  for access to the information in the path itself. Associated enumeration: FileIOPermissionAccess.PathDiscovery

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference