ConfigurationElement.LockAttributes 屬性

定義

取得已鎖定屬性的集合。

public:
 property System::Configuration::ConfigurationLockCollection ^ LockAttributes { System::Configuration::ConfigurationLockCollection ^ get(); };
public System.Configuration.ConfigurationLockCollection LockAttributes { get; }
member this.LockAttributes : System.Configuration.ConfigurationLockCollection
Public ReadOnly Property LockAttributes As ConfigurationLockCollection

屬性值

ConfigurationLockCollection

此項目的已鎖定屬性 (Attribute) (Property) 的 ConfigurationLockCollection

範例

下列範例將示範如何使用 LockAttributes 屬性。

// Show how to use LockAttributes.
// It locks and unlocks all the urls elements.
static void LockAttributes()
{

    try
    {
        // Get the current 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
        {

            IEnumerator elemEnum =
                 myUrlsSection.Urls.GetEnumerator();

            int i = 0;
            while (elemEnum.MoveNext())
            {

                // Get the current element.
                ConfigurationElement element =
                    myUrlsSection.Urls[i];

                // Get the lock attributes collection of 
                // the current element.
                ConfigurationLockCollection lockAttributes =
                    element.LockAttributes;

                // Add or remove the lock on the attributes.
                if (lockAttributes.Contains("name"))
                    lockAttributes.Remove("name");
                else
                    lockAttributes.Add("name");

                if (lockAttributes.Contains("url"))
                    lockAttributes.Remove("url");
                else
                    lockAttributes.Add("url");

                if (lockAttributes.Contains("port"))
                    lockAttributes.Remove("port");
                else
                    lockAttributes.Add("port");

                // Get the locket attributes.
                string lockedAttributes =
                    lockAttributes.AttributeList;

                Console.WriteLine(
                    "Element {0} Locked attributes list: {1}",
                    i.ToString(), lockedAttributes);

                i += 1;

                config.Save(ConfigurationSaveMode.Full);
            }
        }
    }
    catch (ConfigurationErrorsException e)
    {
        Console.WriteLine("[LockAttributes: {0}]",
            e.ToString());
    }
}
' Show how to use LockAttributes.
' It locks and unlocks all the urls elements.
Shared Sub LockAttributes()

    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

            Dim elemEnum As IEnumerator = _
            myUrlsSection.Urls.GetEnumerator()

            Dim i As Integer = 0
            While elemEnum.MoveNext()
                ' Get the current element.
                Dim element As ConfigurationElement = _
                myUrlsSection.Urls(i)

                ' Get the lock attributes collection of 
                ' the current element.
                Dim lockAttributes _
                As ConfigurationLockCollection = _
                element.LockAttributes

                ' Add or remove the lock on the attributes.
                If lockAttributes.Contains("name") Then
                    lockAttributes.Remove("name")
                Else
                    lockAttributes.Add("name")
                End If
                If lockAttributes.Contains("url") Then
                    lockAttributes.Remove("url")
                Else
                    lockAttributes.Add("url")
                End If
                If lockAttributes.Contains("port") Then
                    lockAttributes.Remove("port")
                Else
                    lockAttributes.Add("port")
                End If

                ' Get the locket attributes.
                Dim lockedAttributes As String = _
                lockAttributes.AttributeList()

                Console.WriteLine("Element {0} Locked attributes list: {1}", _
                i.ToString(), lockedAttributes)

                i += 1

                config.Save(ConfigurationSaveMode.Full)
            End While
        End If

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

End Sub

備註

屬性 LockAttributes 可讓您鎖定您指定的所有屬性。

若要這樣做,請使用 Contains 方法,如範例一節所述。

注意

屬性 LockAttributes 可讓您防止套用規則之專案的子組態專案遭到修改。 如果您想要將一般鎖定放在專案本身及其子項目上,請使用 LockItem

給繼承者的注意事項

如果您同時使用 LockAllAttributesExceptLockAttributes 屬性,則會套用最嚴格的規則。

適用於

另請參閱