IAuthenticationModule::PreAuthenticate Method (WebRequest^, ICredentials^)

 

Returns an instance of the Authorization class for an authentication request to a server.

Namespace:   System.Net
Assembly:  System (in System.dll)

Authorization^ PreAuthenticate(
	WebRequest^ request,
	ICredentials^ credentials
)

Parameters

request
Type: System.Net::WebRequest^

The WebRequest instance associated with the authentication request.

credentials
Type: System.Net::ICredentials^

The credentials associated with the authentication request.

Return Value

Type: System.Net::Authorization^

An Authorization instance containing the authorization message for the request.

When the CanPreAuthenticate property is true, the PreAuthenticate method will return an instance of the Authorization class containing an authentication message.

The following example shows how to use the PreAuthenticate method. For a complete example refer to the AuthenticationManager class.

// The PreAuthenticate method specifies if the authentication implemented
// by this class allows pre-authentication.
// Even if you do not use it, this method must be implemented to obey to the rules
// of interface implemebtation.
// In this case it always returns null.
virtual Authorization^ PreAuthenticate( WebRequest^ request, ICredentials^ credentials )
{
   return nullptr;
}


.NET Framework
Available since 1.1
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