IAuthenticationModule.PreAuthenticate(WebRequest, ICredentials) Metode

Definisi

Ruang nama:

System.Net

Rakitan:

System.Net.Requests.dll

Mengembalikan instans Authorization kelas untuk permintaan autentikasi ke server.

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

Parameter

request

WebRequest

WebRequest Instans yang terkait dengan permintaan autentikasi.

credentials

ICredentials

Kredensial yang terkait dengan permintaan autentikasi.

Mengembalikan

Authorization

Instans Authorization yang berisi pesan otorisasi untuk permintaan tersebut.

Contoh

Contoh berikut menunjukkan cara menggunakan PreAuthenticate metode . Untuk contoh lengkap, lihat AuthenticationManager kelas .

// 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

Keterangan

CanPreAuthenticate Ketika properti adalah true, PreAuthenticate metode akan mengembalikan instans Authorization kelas yang berisi pesan autentikasi.