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WindowsClientCredential Class

Allows you to specify properties related to Windows credentials to be used to represent the client.

System.Object
  System.ServiceModel.Security.WindowsClientCredential

Namespace:  System.ServiceModel.Security
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

public sealed class WindowsClientCredential

The WindowsClientCredential type exposes the following members.

  NameDescription
Public propertyAllowedImpersonationLevelGets or sets the allowed impersonation level.
Public propertyAllowNtlm Obsolete. Gets or sets a value that indicates whether NTLM authentication should be allowed as Windows SSPI Negotiate authentication.
Public propertyClientCredentialGets or sets the Windows client credential.
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  NameDescription
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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The WindowsClientCredential enables the setting of Windows client properties used when communicating with a service. The AllowedImpersonationLevel sets the level of impersonation the service can assume when impersonating the client. The ClientCredential enables a client to authenticate with username and password to the service. The AllowNtlm determines whether NTLM can be used to authenticate the client if Kerberos is not used.

The following example creates a client and gets a reference to the WindowsClientCredential. The code then changes the AllowedImpersonationLevel to a new value.


// Create a service host.
EndpointAddress ea = new EndpointAddress("http://localhost/Calculator");
WSHttpBinding b = new WSHttpBinding(SecurityMode.Message);
b.Security.Message.ClientCredentialType = MessageCredentialType.Windows;

// Create a client. The code is not shown here. See the WCF samples
// for an example of the CalculatorClient code.

CalculatorClient cc = new CalculatorClient(b, ea);
// Get a reference to the Windows client credential object.
WindowsClientCredential winCred= cc.ClientCredentials.Windows;
Console.WriteLine("AllowedImpersonationLevel: {0}", 
    winCred.AllowedImpersonationLevel);
Console.WriteLine("AllowNtlm: {0}", winCred.AllowNtlm);
Console.WriteLine("Domain: {0}", winCred.ClientCredential.Domain);

Console.ReadLine();
// Change the AllowedImpersonationLevel.
winCred.AllowedImpersonationLevel = 
    System.Security.Principal.TokenImpersonationLevel.Impersonation;

Console.WriteLine("Changed AllowedImpersonationLevel: {0}", 
    winCred.AllowedImpersonationLevel);
Console.ReadLine();
// Open the calculator and use it.
//cc.Open();
//Console.WriteLine(cc.Add(11, 11));

//// Close the client.
//cc.Close();


.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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