X509Certificate2.SubjectName Property

using namespace System.Net.Security;
using namespace System.Security.Cryptography.X509Certificates;

public class CertificateExample {
    public static void Main(string[] args) {
        // Assuming you have an X509Certificate2 object, for example, by loading from a file or store.
        // In a real scenario, you would load your certificate here.
        // For demonstration purposes, let's create a dummy certificate (this might not be valid for actual use).
        
        X509Certificate2 cert = null;
        try {
            // Replace with a valid certificate path or store retrieval
            // Example: cert = new X509Certificate2(@"C:\path\to\your\certificate.pfx", "password");
            
            // If you don't have a real certificate, this part will fail.
            // For testing, you might want to use a known self-signed certificate if available.

            // If you have a certificate loaded:
            if (cert != null) {
                X500DistinguishedName subjectName = cert.SubjectName;
                Console.WriteLine("Subject Name: {0}", subjectName.Name);
                
                // You can also access individual name attributes
                foreach (var rdn in subjectName.OidList) {
                    Console.WriteLine($" - {rdn.FriendlyName}: {subjectName.Name}"); // Note: This is a simplified example; proper parsing of RDNs is more complex.
                }

            } else {
                Console.WriteLine("Certificate not loaded. Cannot display subject name.");
            }

        } catch (Exception ex) {
            Console.WriteLine($"An error occurred: {ex.Message}");
            Console.WriteLine("Please ensure you have a valid certificate to test with.");
        }
    }
}