Public Function New( _
   ByVal credential As ILoginCredential, _
   ByVal options As LoginOptions, _
   ByVal userState As Object, _
   ByVal callback As Action(Of LoginOperation) _
)

Dim credential As ILoginCredential
Dim options As LoginOptions
Dim userState As Object
Dim callback As Action(Of LoginOperation)
 
Dim instance As New LoginOperation(credential, options, userState, callback)

public LoginOperation( 
   ILoginCredential credential,
   LoginOptions options,
   object userState,
   Action<LoginOperation> callback
)

public:
LoginOperation( 
   ILoginCredential^ credential,
   LoginOptions^ options,
   Object^ userState,
   Action<LoginOperation^>^ callback
)