X509Certificate2UI.SelectFromCollection Methode

public:
 static System::Security::Cryptography::X509Certificates::X509Certificate2Collection ^ SelectFromCollection(System::Security::Cryptography::X509Certificates::X509Certificate2Collection ^ certificates, System::String ^ title, System::String ^ message, System::Security::Cryptography::X509Certificates::X509SelectionFlag selectionFlag);

public static System.Security.Cryptography.X509Certificates.X509Certificate2Collection SelectFromCollection(System.Security.Cryptography.X509Certificates.X509Certificate2Collection certificates, string title, string message, System.Security.Cryptography.X509Certificates.X509SelectionFlag selectionFlag);

static member SelectFromCollection : System.Security.Cryptography.X509Certificates.X509Certificate2Collection * string * string * System.Security.Cryptography.X509Certificates.X509SelectionFlag -> System.Security.Cryptography.X509Certificates.X509Certificate2Collection

Public Shared Function SelectFromCollection (certificates As X509Certificate2Collection, title As String, message As String, selectionFlag As X509SelectionFlag) As X509Certificate2Collection

Parameter

Gibt zurück

Ein X509Certificate2Collection Objekt, das das ausgewählte Zertifikat oder die ausgewählten Zertifikate enthält.

Ausnahmen

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie Dialogfelder der Benutzeroberfläche zum Auswählen und Anzeigen von X.509-Zertifikaten angezeigt werden.

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

class CertSelect
{
    static void Main()
    {
        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)
        {
            try
            {
                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("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();
            }
            catch (CryptographicException)
            {
                Console.WriteLine("Information could not be written out for this certificate.");
            }
        }
        store.Close();
    }
}

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

Class CertSelect

    Shared Sub Main()

        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)
         
        For Each x509 As X509Certificate2 In scollection
            Try
                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("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()         
             Catch cExcept As CryptographicException
                 Console.WriteLine("Information could not be written out for this certificate.")
             End Try
        Next x509

        store.Close()
    End Sub
End Class

Hinweise

Verwenden Sie die SelectFromCollection Methode, wenn Benutzer X.509-Zertifikate mithilfe eines Dialogfelds manuell auswählen müssen. Wenn keine Benutzerinteraktion erforderlich ist, verwenden Sie die X509Certificate2Collection.Find Methode.

public:
 static System::Security::Cryptography::X509Certificates::X509Certificate2Collection ^ SelectFromCollection(System::Security::Cryptography::X509Certificates::X509Certificate2Collection ^ certificates, System::String ^ title, System::String ^ message, System::Security::Cryptography::X509Certificates::X509SelectionFlag selectionFlag, IntPtr hwndParent);

public static System.Security.Cryptography.X509Certificates.X509Certificate2Collection SelectFromCollection(System.Security.Cryptography.X509Certificates.X509Certificate2Collection certificates, string title, string message, System.Security.Cryptography.X509Certificates.X509SelectionFlag selectionFlag, IntPtr hwndParent);

[System.Security.SecurityCritical]
public static System.Security.Cryptography.X509Certificates.X509Certificate2Collection SelectFromCollection(System.Security.Cryptography.X509Certificates.X509Certificate2Collection certificates, string title, string message, System.Security.Cryptography.X509Certificates.X509SelectionFlag selectionFlag, IntPtr hwndParent);

static member SelectFromCollection : System.Security.Cryptography.X509Certificates.X509Certificate2Collection * string * string * System.Security.Cryptography.X509Certificates.X509SelectionFlag * nativeint -> System.Security.Cryptography.X509Certificates.X509Certificate2Collection

[<System.Security.SecurityCritical>]
static member SelectFromCollection : System.Security.Cryptography.X509Certificates.X509Certificate2Collection * string * string * System.Security.Cryptography.X509Certificates.X509SelectionFlag * nativeint -> System.Security.Cryptography.X509Certificates.X509Certificate2Collection

Public Shared Function SelectFromCollection (certificates As X509Certificate2Collection, title As String, message As String, selectionFlag As X509SelectionFlag, hwndParent As IntPtr) As X509Certificate2Collection

Parameter

Gibt zurück

Ein X509Certificate2Collection Objekt, das das ausgewählte Zertifikat oder die ausgewählten Zertifikate enthält.

Attribute

SecurityCriticalAttribute

Ausnahmen

Hinweise

Verwenden Sie die SelectFromCollection Methode, wenn Benutzer X.509-Zertifikate mithilfe eines Dialogfelds manuell auswählen müssen. Wenn keine Benutzerinteraktion erforderlich ist, verwenden Sie die X509Certificate2Collection.Find Methode.