ConfigurationSectionCollection.Keys Propriedade

Definição

Espaço de Nomes:
System.Configuration
Assemblagem:
System.Configuration.dll
Assemblagem:
System.Configuration.ConfigurationManager.dll

Obtém as chaves de todos os ConfigurationSection objetos contidos neste ConfigurationSectionCollection objeto.

public:
 virtual property System::Collections::Specialized::NameObjectCollectionBase::KeysCollection ^ Keys { System::Collections::Specialized::NameObjectCollectionBase::KeysCollection ^ get(); };
public override System.Collections.Specialized.NameObjectCollectionBase.KeysCollection Keys { get; }
member this.Keys : System.Collections.Specialized.NameObjectCollectionBase.KeysCollection
Public Overrides ReadOnly Property Keys As NameObjectCollectionBase.KeysCollection

Valor de Propriedade

NameObjectCollectionBase.KeysCollection

Um NameObjectCollectionBase.KeysCollection objeto que contém as chaves de todas as secções desta coleção.

Exemplos

O exemplo seguinte mostra como utilizar a Keys propriedade.

static void GetKeys()
{

    try
    {
        System.Configuration.Configuration config =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

        ConfigurationSectionCollection sections =
            config.Sections;

        foreach (string key in sections.Keys)
        {

            Console.WriteLine(
             "Key value: {0}", key);
        }
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub GetKeys()

    Try
        Dim config _
        As System.Configuration.Configuration = _
        ConfigurationManager.OpenExeConfiguration( _
        ConfigurationUserLevel.None)

        Dim sections _
        As ConfigurationSectionCollection = _
        config.Sections


        Dim key As String
        For Each key In sections.Keys


            Console.WriteLine("Key value: {0}", key)
        Next key


    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try
End Sub

Aplica-se a

Ver também