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X509Certificate2UI Class

Displays user interface dialogs that allow you to select and view X.509 certificates. This class cannot be inherited.

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

public sealed class X509Certificate2UI
public final class X509Certificate2UI
public final class X509Certificate2UI
Not applicable.

Use the methods of the X509Certificate2UI class to present user interface dialogs that display detailed information about an X.509 certificate or allow users to select one or more certificates from a collection of X.509 certificates.

The following code example demonstrates how to display user interface dialogs to select and view X.509 certificates.

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

class CertSelect
{
	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)
				{
					byte[] rawdata = x509.RawData;
					Console.WriteLine("Content Type: {0}{1}",X509Certificate2.GetCertContentType(rawdata),Environment.NewLine);
					Console.WriteLine("Friendly Name: {0}{1}",x509.FriendlyName,Environment.NewLine);
					Console.WriteLine("Certificate Verified?: {0}{1}",x509.Verify(),Environment.NewLine);
					Console.WriteLine("Simple Name: {0}{1}",x509.GetNameInfo(X509NameType.SimpleName,true),Environment.NewLine);
					Console.WriteLine("Signature Algorithm: {0}{1}",x509.SignatureAlgorithm.FriendlyName,Environment.NewLine);
					Console.WriteLine("Private Key: {0}{1}",x509.PrivateKey.ToXmlString(false),Environment.NewLine);
					Console.WriteLine("Public Key: {0}{1}",x509.PublicKey.Key.ToXmlString(false),Environment.NewLine);
					Console.WriteLine("Certificate Archived?: {0}{1}",x509.Archived,Environment.NewLine);
					Console.WriteLine("Length of Raw Data: {0}{1}",x509.RawData.Length,Environment.NewLine);
					X509Certificate2UI.DisplayCertificate(x509);
					x509.Reset();
				}
			store.Close();
			}
		catch (CryptographicException)
			{
				   Console.WriteLine("Information could not be written out for this certificate.");
			}
		
	}
}

import System.*;
import System.Security.Cryptography.*;
import System.Security.Permissions.*;
import System.IO.*;
import System.Security.Cryptography.X509Certificates.*;

public class CertSelect
{
	/** @attribute SecurityPermission(SecurityAction.LinkDemand,
		Unrestricted = true) */
    public static void main(String[] args)
    {
        try {
            X509Store store = new X509Store("MY", StoreLocation.CurrentUser);
            store.Open(OpenFlags.ReadOnly | OpenFlags.OpenExistingOnly);

            X509Certificate2Collection collection =
                (X509Certificate2Collection)store.get_Certificates();
            X509Certificate2Collection fCollection =
                (X509Certificate2Collection)collection.Find(
                X509FindType.FindByTimeValid, DateTime.get_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}",
                (Int32)sCollection.get_Count(), Environment.get_NewLine());
            for (int iCtr = 0; iCtr < sCollection.get_Count(); iCtr++) {
                X509Certificate2 x509 =
                    (X509Certificate2)(sCollection.get_Item(iCtr));
                ubyte rawData[] = x509.get_RawData();

                Console.WriteLine("Content Type: {0}{1}",
                    X509Certificate2.GetCertContentType(rawData),
                    Environment.get_NewLine());
                Console.WriteLine("Friendly Name: {0}{1}",
                    x509.get_FriendlyName(), Environment.get_NewLine());
                Console.WriteLine("Certificate Verified?: {0}{1}",
                    (System.Boolean)x509.Verify(), Environment.get_NewLine());
                Console.WriteLine("Simple Name: {0}{1}",
                    x509.GetNameInfo(X509NameType.SimpleName, true),
                    Environment.get_NewLine());
                Console.WriteLine("Signature Algorithm: {0}{1}",
                    x509.get_SignatureAlgorithm().get_FriendlyName(),
                    Environment.get_NewLine());
                Console.WriteLine("Private Key: {0}{1}",
                    x509.get_PrivateKey().ToXmlString(false),
                    Environment.get_NewLine());
                Console.WriteLine("Public Key: {0}{1}",
                    x509.get_PublicKey().get_Key().ToXmlString(false),
                    Environment.get_NewLine());
                Console.WriteLine("Certificate Archived?: {0}{1}",
                    (System.Boolean)x509.get_Archived(),
                    Environment.get_NewLine());
                Console.WriteLine("Length of Raw Data: {0}{1}",
                    (Int32)x509.get_RawData().length,
                    Environment.get_NewLine());
                X509Certificate2UI.DisplayCertificate(x509);
                x509.Reset();
            }
            store.Close();
        }
        catch (CryptographicException exp) {
            Console.WriteLine("Information could not be written out for this "
                + "certificate.");
        }
    } //main
} //CertSelect

System.Object
  System.Security.Cryptography.X509Certificates.X509Certificate2UI

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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