ConfigurationElement.LockItem プロパティ

定義

名前空間:

System.Configuration

アセンブリ:

System.Configuration.ConfigurationManager.dll

パッケージ:

System.Configuration.ConfigurationManager v8.0.0

ソース:

ConfigurationElement.cs

要素がロックされているかどうかを示す値を取得または設定します。

public:
 property bool LockItem { bool get(); void set(bool value); };

public bool LockItem { get; set; }

member this.LockItem : bool with get, set

Public Property LockItem As Boolean

プロパティ値

Boolean

要素がロックされている場合は true。それ以外の場合は false。 既定値は、false です。

例外

ConfigurationErrorsException

要素はより高い構成レベルでロック済みです。

例

次の例は、 を使用する方法を LockItem示しています。

// Show how to set LockItem
// It adds a new UrlConfigElement to 
// the collection.
static void LockItem()
{
    string name = "Contoso";
    string url = "http://www.contoso.com/";
    int port = 8080;

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

        // Get the MyUrls section.
        UrlsSection myUrls =
           config.Sections["MyUrls"] as UrlsSection;

        // Create the new  element.
        UrlConfigElement newElement =
            new UrlConfigElement(name, url, port);

        // Set its lock.
        newElement.LockItem = true;

        // Save the new element to the 
        // configuration file.
        if (!myUrls.ElementInformation.IsLocked)
        {

            myUrls.Urls.Add(newElement);

            config.Save(ConfigurationSaveMode.Full);

            // This is used to obsolete the cached 
            // section and read the updated 
            // bersion from the configuration file.
            ConfigurationManager.RefreshSection("MyUrls");
        }
        else
            Console.WriteLine(
                "Section was locked, could not update.");
    }
    catch (ConfigurationErrorsException e)
    {
        Console.WriteLine("[LockItem: {0}]",
            e.ToString());
    }
}

' Show how to set LockItem
' It adds a new UrlConfigElement to 
' the collection.
Shared Sub LockItem()
    Dim name As String = "Contoso"
    Dim url As String = "http://www.contoso.com/"
    Dim port As Integer = 8080

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

        ' Get the MyUrls section.
        Dim myUrls As UrlsSection = _
        config.Sections("MyUrls")


        ' Create the new  element.
        Dim newElement _
        As New UrlConfigElement(name, url, port)

        ' Set its lock.
        newElement.LockItem = True

        ' Save the new element to the 
        ' configuration file.
        If Not myUrls.ElementInformation.IsLocked Then

            myUrls.Urls.Add(newElement)

            config.Save(ConfigurationSaveMode.Full)

            ' This is used to obsolete the cached 
            ' section and read the updared version 
            ' from the configuration file.
            ConfigurationManager.RefreshSection("MyUrls")
        Else
            Console.WriteLine("Section was locked, could not update.")
        End If

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

End Sub

注釈

LockItem要素自体とその子要素に一般的なロックを設定する場合は、 プロパティを使用します。