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AuthenticationManager.Unregister Method (String)

Removes authentication modules with the specified authentication scheme from the list of registered modules.

Namespace:  System.Net
Assembly:  System (in System.dll)
public static void Unregister(
	string authenticationScheme
)

Parameters

authenticationScheme
Type: System.String

The authentication scheme of the module to remove.

ExceptionCondition
ArgumentNullException

authenticationScheme is null.

InvalidOperationException

A module for this authentication scheme is not registered.

The Unregister method removes the authentication module with the specified authentication scheme from the list of authentication modules called by the Authenticate method. The module must have been added to the list using the Register method before it can be removed from the list.

The following example uses the Unregister method to remove an authentication module with the specified authentication scheme from the list of registered modules.

IEnumerator registeredModules = AuthenticationManager.RegisteredModules; 
// Display all the modules that are already registered with the system.
DisplayAllModules();  
registeredModules.Reset();
registeredModules.MoveNext();
// Get the first Authentication module registered with the system.
IAuthenticationModule authenticationModule1 = (IAuthenticationModule)registeredModules.Current; 
// Call the UnRegister() method to unregister the first authentication module from the system.
String authenticationScheme = authenticationModule1.AuthenticationType;
AuthenticationManager.Unregister(authenticationScheme);
Console.WriteLine("\nSuccessfully unregistered '{0}",authenticationModule1+"'."); 
// Display all modules to see that the module was unregistered.
DisplayAllModules(); 

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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