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X500DistinguishedNameFlags Enumeration

Note: This enumeration is new in the .NET Framework version 2.0.

Specifies characteristics of the X.500 distinguished name.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

Namespace: System.Security.Cryptography.X509Certificates
Assembly: System (in system.dll)

[FlagsAttribute] 
public enum X500DistinguishedNameFlags
/** @attribute FlagsAttribute() */ 
public enum X500DistinguishedNameFlags
FlagsAttribute 
public enum X500DistinguishedNameFlags

 Member nameDescription
DoNotUsePlusSignThe distinguished name does not use the plus sign. 
DoNotUseQuotesThe distinguished name does not use quotation marks. 
ForceUTF8EncodingThe distinguished name uses UTF8 encoding. 
NoneThe distinguished name has no special characteristics. 
ReversedThe distinguished name is reversed. 
UseCommasThe distinguished name uses commas. 
UseNewLinesThe distinguished name uses the new line character. 
UseSemicolonsThe distinguished name uses semicolons. 
UseT61EncodingThe distinguished name uses T61 encoding. 
UseUTF8EncodingThe distinguished name uses UTF8 encoding. 

This enumeration is used with the X500DistinguishedNameFlags class to indicate special characters contained in the distinguished name.

Several values are mutually exclusive in this enumeration; use only one of these values to define the special characteristics of an X.500 distinguished name. For example, specify only one of the UseCommas, UseNewLines , and UseSemicolons values. You would also specify either UseT61Encoding or UseUTF8Encoding .

The following code example shows how to use the X500DistinguishedNameFlags enumeration.

using System;
using System.Security.Cryptography;
using System.Security.Permissions;
using System.IO;
using System.Security.Cryptography.X509Certificates;

class X500Sample
{
	static void Main()
	{
		try
		{
			X509Store store = new X509Store("MY", StoreLocation.CurrentUser);
			store.Open(OpenFlags.ReadOnly | OpenFlags.OpenExistingOnly);
			X509Certificate2Collection collection = (X509Certificate2Collection)store.Certificates;
			X509Certificate2Collection fcollection = (X509Certificate2Collection)collection.Find(X509FindType.FindByTimeValid, DateTime.Now, false);
			X509Certificate2Collection scollection = X509Certificate2UI.SelectFromCollection(fcollection, "Test Certificate Select", "Select a certificate from the following list to get information on that certificate", X509SelectionFlag.MultiSelection);
			Console.WriteLine("Number of certificates: {0}{1}", scollection.Count, Environment.NewLine);
			foreach (X509Certificate2 x509 in scollection)
			{
				X500DistinguishedName dname = new X500DistinguishedName(x509.SubjectName);
				Console.WriteLine("X500DistinguishedName: {0}{1}", dname.Name, Environment.NewLine);
				x509.Reset();
			}
			store.Close();
		}
		catch (CryptographicException)
		{
			Console.WriteLine("Information could not be written out for this certificate.");
		}

	}
}

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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