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X509SelectionFlag Enumeration

Note: This enumeration is new in the .NET Framework version 2.0.

Specifies the type of selection requested using the System.Security.Cryptography.X509Certificates.X509Certificate2UI.SelectFromCollection method.

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

public enum X509SelectionFlag
public enum X509SelectionFlag
public enum X509SelectionFlag

 Member nameDescription
MultiSelectionA multiple selection. The user can use the SHIFT or CRTL keys to select more than one X.509 certificate. 
SingleSelectionA single selection. The UI allows the user to select one X.509 certificate. 

This flag represents either a single or multiple certificate selection using the System.Security.Cryptography.X509Certificates.X509Certificate2UI.SelectFromCollection method.

The following code example demonstrates how to use the selection flag with the System.Security.Cryptography.X509Certificates.X509Certificate2UI.SelectFromCollection method. This code example is part of a larger example provided for the X509Store class. The larger example opens the current user's personal certificate store, allows the user to select a certificate, then writes certificate and certificate chain information to the console. The output depends on the certificate the user selects.

//Create new X509 store from local certificate store.
X509Store store = new X509Store("MY", StoreLocation.CurrentUser);
store.Open(OpenFlags.OpenExistingOnly | OpenFlags.ReadWrite);

//Output store information.
Console.WriteLine ("Store Information");
Console.WriteLine ("Number of certificates in the store: {0}", store.Certificates.Count);
Console.WriteLine ("Store location: {0}", store.Location);
Console.WriteLine ("Store name: {0} {1}", store.Name, Environment.NewLine);
    
//Put certificates from the store into a collection so user can select one.
X509Certificate2Collection fcollection = (X509Certificate2Collection)store.Certificates;
X509Certificate2Collection collection = X509Certificate2UI.SelectFromCollection(fcollection, "Select an X509 Certificate", "Choose a certificate to examine.", X509SelectionFlag.SingleSelection);
X509Certificate2 certificate = collection[0];
X509Certificate2UI.DisplayCertificate(certificate);

Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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