IAuthenticationModule.PreAuthenticate(WebRequest, ICredentials) Metoda

Definicja

Przestrzeń nazw:

System.Net

Zestaw:

System.Net.Requests.dll

Zwraca wystąpienie Authorization klasy dla żądania uwierzytelniania na serwerze.

public:
 System::Net::Authorization ^ PreAuthenticate(System::Net::WebRequest ^ request, System::Net::ICredentials ^ credentials);

public System.Net.Authorization? PreAuthenticate (System.Net.WebRequest request, System.Net.ICredentials credentials);

abstract member PreAuthenticate : System.Net.WebRequest * System.Net.ICredentials -> System.Net.Authorization

Public Function PreAuthenticate (request As WebRequest, credentials As ICredentials) As Authorization

Parametry

request

WebRequest

Wystąpienie WebRequest skojarzone z żądaniem uwierzytelniania.

credentials

ICredentials

Poświadczenia skojarzone z żądaniem uwierzytelniania.

Zwraca

Authorization

Wystąpienie Authorization zawierające komunikat autoryzacji dla żądania.

Przykłady

W poniższym przykładzie pokazano, jak używać PreAuthenticate metody . Pełny przykład można znaleźć w AuthenticationManager klasie .

// 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;
}

// The PreAuthenticate method specifies whether 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 implementation.
// In this case it always returns null.
public Authorization PreAuthenticate(WebRequest request, ICredentials credentials)
{
  return null;
}

' The PreAuthenticate method specifies whether 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 implementation.
' In this case it always returns null. 
Public Function PreAuthenticate(ByVal request As WebRequest, ByVal credentials As ICredentials) As Authorization _
    Implements IAuthenticationModule.PreAuthenticate

  Return Nothing
End Function 'PreAuthenticate

Uwagi

CanPreAuthenticate Gdy właściwość ma truewartość , PreAuthenticate metoda zwróci wystąpienie Authorization klasy zawierające komunikat uwierzytelniania.