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Use X500DistinguishedName

using System; using System.Security.Cryptography; using System.Security.Permissions; using System.IO; using System.Security.Cryptography.X509Certificates; class MainClass {     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, "Certificate Select", "Select a certificate", X509SelectionFlag.MultiSelection);             Console.WriteLine("Number of certificates: {0}{1}", scollection.Count, Environment.NewLine);             foreach (X509Certificate2 x509 in scollection)             {                 X500DistinguishedName dname = new X500DistinguishedName(x509.SubjectName);                 Console.WriteLine("X500DistinguishedName: {0}{1}", dname.Name, Environment.NewLine);                 x509.Reset();             }             store.Close();         }         catch (CryptographicException)         {             Console.WriteLine("Information could not be written out for this certificate.");         }     } }