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X500DistinguishedNameFlags Enumeration

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)

'Declaration
<FlagsAttribute> _
Public Enumeration X500DistinguishedNameFlags
'Usage
Dim instance As X500DistinguishedNameFlags

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

Imports System
Imports System.Security.Cryptography
Imports System.Security.Permissions
Imports System.IO
Imports System.Security.Cryptography.X509Certificates



Class X500Sample
   Shared msg As String 
   Shared Sub Main()
	
      Try 
         Dim store As New X509Store("MY", StoreLocation.CurrentUser)
         store.Open((OpenFlags.ReadOnly Or OpenFlags.OpenExistingOnly))
         Dim collection As X509Certificate2Collection = CType(store.Certificates, X509Certificate2Collection)
         Dim fcollection As X509Certificate2Collection = CType(collection.Find(X509FindType.FindByTimeValid, DateTime.Now, False), X509Certificate2Collection)
         Dim scollection As X509Certificate2Collection = X509Certificate2UI.SelectFromCollection(fcollection, "Test Certificate Select", "Select a certificate from the following list to get information on that certificate", X509SelectionFlag.MultiSelection)
	 msg = "Number of certificates: " & scollection.Count & Environment.NewLine
	 MsgBox(msg)
         Dim x509 As X509Certificate2
         For Each x509 In  scollection
            Dim dname As New X500DistinguishedName(x509.SubjectName)
	    msg = "X500DistinguishedName: " & dname.Name & Environment.NewLine
	 MsgBox(msg)
            x509.Reset()
         Next x509
         store.Close()
	 Catch e As Exception
            msg = "Error: Information could not be written out for this certificate."
            MsgBox(msg)
      End Try 
   End Sub 'Main 
End Class 'X500Sample

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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