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UserConsentVerifier.CheckAvailabilityAsync Metodo

  • Riferimento

Definizione

Spazio dei nomi:
Windows.Security.Credentials.UI
Modifica

Verifica se è disponibile un dispositivo di autenticazione, ad esempio un PIN di Microsoft Passport, Windows Hello o un lettore di impronte digitali.

public:
 static IAsyncOperation<UserConsentVerifierAvailability> ^ CheckAvailabilityAsync();
/// [Windows.Foundation.Metadata.RemoteAsync]
 static IAsyncOperation<UserConsentVerifierAvailability> CheckAvailabilityAsync();
[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<UserConsentVerifierAvailability> CheckAvailabilityAsync();
function checkAvailabilityAsync()
Public Shared Function CheckAvailabilityAsync () As IAsyncOperation(Of UserConsentVerifierAvailability)

Restituisce

IAsyncOperation<UserConsentVerifierAvailability>

Valore UserConsentVerifierAvailability che descrive il risultato dell'operazione di controllo della disponibilità.

Attributi
RemoteAsyncAttribute

Commenti

Nell'esempio seguente viene illustrato un metodo che verifica se un dispositivo di autenticazione è supportato per l'utente corrente e restituisce un messaggio che descrive il risultato.

public async Task<string> CheckDeviceAvailability()
{
    string returnMessage;

    // Check the availability of device authentication.
    var ucvAvailability = await Windows.Security.Credentials.UI.UserConsentVerifier.CheckAvailabilityAsync();

    switch (ucvAvailability)
    {
        case Windows.Security.Credentials.UI.UserConsentVerifierAvailability.Available:
            returnMessage = "Authentication device is available.";
            break;
        case Windows.Security.Credentials.UI.UserConsentVerifierAvailability.DeviceBusy:
            returnMessage = "Authentication device is busy.";
            break;
        case Windows.Security.Credentials.UI.UserConsentVerifierAvailability.DeviceNotPresent:
            returnMessage = "No authentication device found.";
            break;
        case Windows.Security.Credentials.UI.UserConsentVerifierAvailability.DisabledByPolicy:
            returnMessage = "Authentication device verification is disabled by policy.";
            break;
        case Windows.Security.Credentials.UI.UserConsentVerifierAvailability.NotConfiguredForUser:
            returnMessage = "Please go to Account Settings to set up a PIN or other advanced authentication.";
            break;
        default:
            returnMessage = "Authentication device is currently unavailable.";
            break;
    }

    return returnMessage;
}

winrt::Windows::Foundation::IAsyncOperation<winrt::hstring> CheckDeviceAvailability()
{
    winrt::hstring returnMessage;

    // Check the availability of device authentication.
    auto ucvAvailability = co_await Windows::Security::Credentials::UI::UserConsentVerifier::CheckAvailabilityAsync();

    switch (ucvAvailability)
    {
        case winrt::Windows::Security::Credentials::UI::UserConsentVerifierAvailability::Available:
            returnMessage = L"Authentication device is available.";
            break;
        case winrt::Windows::Security::Credentials::UI::UserConsentVerifierAvailability::DeviceBusy:
            returnMessage = L"Authentication device is busy.";
            break;
        case winrt::Windows::Security::Credentials::UI::UserConsentVerifierAvailability::DeviceNotPresent:
            returnMessage = L"No authentication device found.";
            break;
        case winrt::Windows::Security::Credentials::UI::UserConsentVerifierAvailability::DisabledByPolicy:
            returnMessage = L"Authentication device verification is disabled by policy.";
            break;
        case winrt::Windows::Security::Credentials::UI::UserConsentVerifierAvailability::NotConfiguredForUser:
            returnMessage = L"Please go to Account Settings to set up a PIN or other advanced authentication.";
            break;
        default:
            returnMessage = L"Authentication device is currently unavailable.";
            break;
    }

    co_return returnMessage;
}

Si applica a

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