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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

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.");
			}
		
	}
}

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 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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