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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)

'Declaration
Public NotInheritable Class X509Certificate2UI
'Usage
Dim instance As 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.

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



Class CertSelect

    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)
            Console.WriteLine("Number of certificates: {0}{1}", scollection.Count, Environment.NewLine)
            Dim x509 As X509Certificate2
            For Each x509 In scollection
                Dim rawdata As Byte() = 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()
            Next x509
            store.Close()
        Catch cExcept As CryptographicException
            Console.WriteLine("Information could not be written out for this certificate.")
        End Try

    End Sub
End Class

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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