MarshalByRefObject.InitializeLifetimeService Metodo
Definizione
Attenzione
This Remoting API is not supported and throws PlatformNotSupportedException.
Ottiene un oggetto servizio di durata per controllare i criteri di durata per questa istanza.Obtains a lifetime service object to control the lifetime policy for this instance.
public:
virtual System::Object ^ InitializeLifetimeService();
[System.Obsolete("This Remoting API is not supported and throws PlatformNotSupportedException.", DiagnosticId="SYSLIB0010", UrlFormat="https://aka.ms/dotnet-warnings/{0}")]
public virtual object InitializeLifetimeService ();
public virtual object InitializeLifetimeService ();
[System.Security.SecurityCritical]
public virtual object InitializeLifetimeService ();
[<System.Obsolete("This Remoting API is not supported and throws PlatformNotSupportedException.", DiagnosticId="SYSLIB0010", UrlFormat="https://aka.ms/dotnet-warnings/{0}")>]
abstract member InitializeLifetimeService : unit -> obj
override this.InitializeLifetimeService : unit -> obj
abstract member InitializeLifetimeService : unit -> obj
override this.InitializeLifetimeService : unit -> obj
[<System.Security.SecurityCritical>]
abstract member InitializeLifetimeService : unit -> obj
override this.InitializeLifetimeService : unit -> obj
Public Overridable Function InitializeLifetimeService () As Object
Restituisce
Oggetto di tipo ILease utilizzato per il controllo dei criteri di durata per l'istanza.An object of type ILease used to control the lifetime policy for this instance. Si tratta dell'oggetto servizio di durata corrente per l'istanza, se esistente; in caso contrario, ne viene inizializzato uno nuovo sul valore della proprietà LeaseManagerPollTime.This is the current lifetime service object for this instance if one exists; otherwise, a new lifetime service object initialized to the value of the LeaseManagerPollTime property.
- Attributi
Eccezioni
Il chiamante immediato non dispone dell'autorizzazione di infrastruttura.The immediate caller does not have infrastructure permission.
Solo .NET Core e .NET 5+: In tutti i casi..NET Core and .NET 5+ only: In all cases.
Esempio
Nell'esempio di codice riportato di seguito viene illustrata la creazione di un lease.The following code example demonstrates creating a lease.
public ref class MyClass: public MarshalByRefObject
{
public:
[System::Security::Permissions::SecurityPermissionAttribute
(System::Security::Permissions::SecurityAction::Demand,
Flags=System::Security::Permissions::SecurityPermissionFlag::Infrastructure)]
virtual Object^ InitializeLifetimeService() override
{
ILease^ lease = dynamic_cast<ILease^>(MarshalByRefObject::InitializeLifetimeService());
if ( lease->CurrentState == LeaseState::Initial )
{
lease->InitialLeaseTime = TimeSpan::FromMinutes( 1 );
lease->SponsorshipTimeout = TimeSpan::FromMinutes( 2 );
lease->RenewOnCallTime = TimeSpan::FromSeconds( 2 );
}
return lease;
}
};
public class MyClass : MarshalByRefObject
{
[SecurityPermissionAttribute(SecurityAction.Demand,
Flags=SecurityPermissionFlag.Infrastructure)]
public override Object InitializeLifetimeService()
{
ILease lease = (ILease)base.InitializeLifetimeService();
if (lease.CurrentState == LeaseState.Initial)
{
lease.InitialLeaseTime = TimeSpan.FromMinutes(1);
lease.SponsorshipTimeout = TimeSpan.FromMinutes(2);
lease.RenewOnCallTime = TimeSpan.FromSeconds(2);
}
return lease;
}
}
Public Class LSClass
Inherits MarshalByRefObject
<SecurityPermissionAttribute(SecurityAction.Demand, _
Flags:=SecurityPermissionFlag.Infrastructure)> _
Public Overrides Function InitializeLifetimeService() As Object
Dim lease As ILease = CType(MyBase.InitializeLifetimeService(), ILease)
If lease.CurrentState = LeaseState.Initial Then
lease.InitialLeaseTime = TimeSpan.FromMinutes(1)
lease.SponsorshipTimeout = TimeSpan.FromMinutes(2)
lease.RenewOnCallTime = TimeSpan.FromSeconds(2)
End If
Return lease
End Function
Public Shared Sub Main()
' The main thread processing is here.
End Sub
End Class
Commenti
Questo metodo è contrassegnato come obsoleto a partire da .NET 5,0.This method is marked obsolete starting in .NET 5.0.
Per ulteriori informazioni sui servizi di durata, vedere la LifetimeServices classe.For more information about lifetime services, see the LifetimeServices class.