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HttpWebClientProtocol.ClientCertificates Property

Gets the collection of client certificates.

[Visual Basic]
Public ReadOnly Property ClientCertificates As _
   X509CertificateCollection
[C#]
public X509CertificateCollection ClientCertificates {get;}
[C++]
public: __property X509CertificateCollection*
   get_ClientCertificates();
[JScript]
public function get ClientCertificates() :
   X509CertificateCollection;

Property Value

An X509CertificateCollection that represents the client certificates.

Remarks

This property allows a client to pass one or more client certificates, also known as Authenticode X.509 v.3 certificates, when calling an XML Web service method. If the XML Web service method has been configured to use client certificates, a client certificate can be used as one mechanism for authenticating a client. For details on setting up client certificates, see the Internet Information Services (IIS) documentation.

Example

[Visual Basic, C#] The following code example demonstrates how to load in a client certificate from a file and then add it to the ClientCertificates property for calling an XML Web service method that uses client certificates for authentication.

[Visual Basic] 
' Create a new instance of a proxy class for the Bank XML Web service.
Dim bank As BankSession = new BankSession()

' Load the client certificate from a file.
Dim x509 As X509Certificate = X509Certificate.CreateFromCertFile("c:\user.cer")

' Add the client certificate to the ClientCertificates property of the proxy class.
bank.ClientCertificates.Add(x509)

' Communicate with the Deposit XML Web service method,
' which requires authentication using client certificates.
bank.Deposit(500)

[C#] 
// Create a new instance of a proxy class for the Bank XML Web service.
BankSession bank = new BankSession();

// Load the client certificate from a file.
X509Certificate x509 = X509Certificate.CreateFromCertFile(@"c:\user.cer");

// Add the client certificate to the ClientCertificates property of the proxy class.
bank.ClientCertificates.Add(x509);

// Communicate with the Deposit XML Web service method,
// which requires authentication using client certificates.
bank.Deposit(500);

[C++, JScript] No example is available for C++ or JScript. To view a Visual Basic or C# example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also

HttpWebClientProtocol Class | HttpWebClientProtocol Members | System.Web.Services.Protocols Namespace | Securing XML Web Services Created Using ASP.NET | X509CertificateCollection

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