ConfigurationCollectionAttribute(Type) Construtor

Definição

Namespace:

System.Configuration

Assembly:

System.Configuration.ConfigurationManager.dll

Pacote:

System.Configuration.ConfigurationManager v8.0.0

Origem:

ConfigurationCollectionAttribute.cs

Inicializa uma nova instância da classe ConfigurationCollectionAttribute.

public:
 ConfigurationCollectionAttribute(Type ^ itemType);

public ConfigurationCollectionAttribute (Type itemType);

new System.Configuration.ConfigurationCollectionAttribute : Type -> System.Configuration.ConfigurationCollectionAttribute

Public Sub New (itemType As Type)

Parâmetros

itemType

Type

O tipo de coleção de propriedades a ser criado.

Exceções

ArgumentNullException

itemType é null.

Exemplos

O exemplo a seguir mostra como usar o ConfigurationCollectionAttribute.

// Declare the Urls collection property using the
// ConfigurationCollectionAttribute.
// This allows to build a nested section that contains
// a collection of elements.
[ConfigurationProperty("urls", IsDefaultCollection = false)]
[ConfigurationCollection(typeof(UrlsCollection),
    AddItemName = "add",
    ClearItemsName = "clear",
    RemoveItemName = "remove")]
public UrlsCollection Urls
{
    get
    {
        UrlsCollection urlsCollection =
            (UrlsCollection)base["urls"];
        return urlsCollection;
    }
}

' Declare the Urls collection property using the
' ConfigurationCollectionAttribute.
' This allows to build a nested section that contains
' a collection of elements.
<ConfigurationProperty("urls", IsDefaultCollection:=False),
    System.Configuration.ConfigurationCollection(GetType(UrlsCollection),
    AddItemName:="add", ClearItemsName:="clear", RemoveItemName:="remove")> _
Public ReadOnly Property Urls() As UrlsCollection
    Get
        Dim urlsCollection As UrlsCollection = CType(MyBase.Item("urls"), UrlsCollection)
        Return urlsCollection
    End Get
End Property

Comentários

Use esse construtor para informar ao .NET Framework o tipo personalizado da coleção de propriedades a ser criada.