X509ClientCertificateAuthentication.CertificateValidationMode Property     
Definition
Important
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Gets or sets the certificate validation mode.
public:
 property System::ServiceModel::Security::X509CertificateValidationMode CertificateValidationMode { System::ServiceModel::Security::X509CertificateValidationMode get(); void set(System::ServiceModel::Security::X509CertificateValidationMode value); };public System.ServiceModel.Security.X509CertificateValidationMode CertificateValidationMode { get; set; }member this.CertificateValidationMode : System.ServiceModel.Security.X509CertificateValidationMode with get, setPublic Property CertificateValidationMode As X509CertificateValidationModeProperty Value
One of the X509CertificateValidationMode values.
Examples
The following example uses the CertificateValidationMode to print to the screen.
// Create a service host.
Uri httpUri = new Uri("http://localhost/Calculator");
ServiceHost sh = new ServiceHost(typeof(Calculator), httpUri);
// Create a binding that uses a certificate.
WSHttpBinding b = new WSHttpBinding(SecurityMode.Message);
b.Security.Message.ClientCredentialType =
    MessageCredentialType.Certificate;
// Get a reference to the authentication object.
X509ClientCertificateAuthentication myAuthProperties =
    sh.Credentials.ClientCertificate.Authentication;
switch (myAuthProperties.CertificateValidationMode)
{
    case X509CertificateValidationMode.ChainTrust:
        Console.WriteLine("ChainTrust");
        break;
    case X509CertificateValidationMode.Custom:
        Console.WriteLine("Custom");
        break;
    case X509CertificateValidationMode.None:
        Console.WriteLine("ChainTrust");
        break;
    case X509CertificateValidationMode.PeerOrChainTrust:
        Console.WriteLine("PeerOrChainTrust");
        break;
    case X509CertificateValidationMode.PeerTrust:
        Console.WriteLine("PeerTrust");
        break;
    default:
        Console.WriteLine("Default");
        break;
}
' Create a service host.
Dim httpUri As New Uri("http://localhost/Calculator")
Dim sh As New ServiceHost(GetType(Calculator), httpUri)
' Create a binding that uses a certificate.
Dim b As New WSHttpBinding(SecurityMode.Message)
b.Security.Message.ClientCredentialType = _
MessageCredentialType.Certificate
' Get a reference to the authentication object.
Dim myAuthProperties As X509ClientCertificateAuthentication = _
sh.Credentials.ClientCertificate.Authentication()
Select Case myAuthProperties.CertificateValidationMode
    Case X509CertificateValidationMode.ChainTrust
        Console.WriteLine("ChainTrust")
    Case X509CertificateValidationMode.Custom
        Console.WriteLine("Custom")
    Case X509CertificateValidationMode.None
        Console.WriteLine("ChainTrust")
    Case X509CertificateValidationMode.PeerOrChainTrust
        Console.WriteLine("PeerOrChainTrust")
    Case X509CertificateValidationMode.PeerTrust
        Console.WriteLine("PeerTrust")
    Case Else
        Console.WriteLine("Default")
End Select
The property can also be set in a configuration file.
<serviceCredentials>  
  <clientCertificate>  
     <authentication certificateValidationMode='ChainTrust' />  
  </clientCertificate>  
</serviceCredentials>  
Remarks
Allowed values of X509CertificateValidationMode are: