ConfigurationElement.LockElements Properti

Definisi

Ruang nama:

System.Configuration

Rakitan:

System.Configuration.ConfigurationManager.dll

Paket:

System.Configuration.ConfigurationManager v8.0.0

Sumber:

ConfigurationElement.cs

Mendapatkan koleksi elemen terkunci.

public:
 property System::Configuration::ConfigurationLockCollection ^ LockElements { System::Configuration::ConfigurationLockCollection ^ get(); };

public System.Configuration.ConfigurationLockCollection LockElements { get; }

member this.LockElements : System.Configuration.ConfigurationLockCollection

Public ReadOnly Property LockElements As ConfigurationLockCollection

Nilai Properti

ConfigurationLockCollection

Elemen ConfigurationLockCollection terkunci.

Contoh

Contoh berikut menunjukkan cara menggunakan LockElements properti .

// Show how to use LockElements
// It locks and unlocks the urls element.
static void LockElements()
{

    try
    {
        // Get the configuration file.
        System.Configuration.Configuration config =
            ConfigurationManager.OpenExeConfiguration(
            ConfigurationUserLevel.None);

        // Get the MyUrls section.
        UrlsSection myUrlsSection =
            config.GetSection("MyUrls") as UrlsSection;

        if (myUrlsSection == null)
        {
            Console.WriteLine("Failed to load UrlsSection.");
        }
        else
        {
            // Get MyUrls section LockElements collection.
            ConfigurationLockCollection lockElements =
                myUrlsSection.LockElements;

            // Get MyUrls section LockElements collection 
            // enumerator.
            IEnumerator lockElementEnum =
                 lockElements.GetEnumerator();

            // Position the collection index.
            lockElementEnum.MoveNext();

            if (lockElements.Contains("urls"))
                // Remove the lock on the urls element.
                lockElements.Remove("urls");
            else
                // Add the lock on the urls element.
                lockElements.Add("urls");

            // Save the change.
            config.Save(ConfigurationSaveMode.Full);
        }
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine("[LockElements: {0}]",
            err.ToString());
    }
}

' Show how to use LockElements
' It locks and unlocks the urls element.
Shared Sub LockElements()

    Try
        ' Get the current configuration file.
        Dim config _
        As System.Configuration.Configuration = _
        ConfigurationManager.OpenExeConfiguration( _
        ConfigurationUserLevel.None)

        ' Get the MyUrls section.
        Dim myUrlsSection As UrlsSection = _
        config.GetSection("MyUrls")

        If myUrlsSection Is Nothing Then
            Console.WriteLine("Failed to load UrlsSection.")
        Else
            ' Get MyUrls section LockElements collection.
            Dim lockElements _
            As ConfigurationLockCollection = _
            myUrlsSection.LockElements

            ' Get MyUrls section LockElements collection 
            ' enumerator.
            Dim lockElementEnum As IEnumerator = _
            lockElements.GetEnumerator()

            ' Position the collection index.
            lockElementEnum.MoveNext()

            If lockElements.Contains("urls") Then
                ' Remove the lock on the urls element.
                lockElements.Remove("urls")
            Else
                ' Add the lock on the urls element.
                lockElements.Add("urls")
            End If
            ' Save the change.
            config.Save(ConfigurationSaveMode.Full)
        End If

    Catch err As ConfigurationErrorsException
        Console.WriteLine("[LockElements: {0}]", _
        err.ToString())
    End Try

End Sub

Keterangan

Properti LockElements memungkinkan Anda mengunci semua elemen yang Anda tentukan.

Untuk melakukannya, Anda menggunakan metode , seperti yang Contains dijelaskan dalam contoh berikutnya.

Catatan

Properti LockElements memungkinkan Anda mencegah elemen konfigurasi anak dari elemen tempat Anda menerapkan aturan agar tidak dimodifikasi. Gunakan LockItem jika Anda ingin meletakkan kunci umum pada elemen itu sendiri dan elemen turunannya.

Lihat juga

• ConfigurationLockCollection