BindingSource.ListChanged BindingSource.ListChanged BindingSource.ListChanged BindingSource.ListChanged Event

Definición

Se produce cuando cambia la lista subyacente o se modifica un elemento de la lista.Occurs when the underlying list changes or an item in the list changes.

public:
 virtual event System::ComponentModel::ListChangedEventHandler ^ ListChanged;
public event System.ComponentModel.ListChangedEventHandler ListChanged;
member this.ListChanged : System.ComponentModel.ListChangedEventHandler 
Public Custom Event ListChanged As ListChangedEventHandler 

Implementaciones

Ejemplos

En el ejemplo BindingSource de código siguiente se ListChanged muestra cómo controlar el evento del componente para BindingSource detectar cuándo se cambia la lista subyacente del componente.The following code example demonstrates handling the ListChanged event of the BindingSource component to detect when the BindingSource component's underlying list is changed.

// This event handler detects changes in the BindingSource
// list or changes to items within the list.
void customersBindingSource_ListChanged(
   Object^ /*sender*/,
   ListChangedEventArgs^ e )
{
   status->Text = e->ListChangedType.ToString();
}
// This event handler detects changes in the BindingSource 
// list or changes to items within the list.
void customersBindingSource_ListChanged(
    object sender,
    ListChangedEventArgs e)
{
    status.Text = e.ListChangedType.ToString();
}
' This event handler detects changes in the BindingSource 
' list or changes to items within the list.
Private Sub customersBindingSource_ListChanged(ByVal sender As Object, _
    ByVal e As ListChangedEventArgs) Handles customersBindingSource.ListChanged

    status.Text = e.ListChangedType.ToString()
End Sub

Comentarios

El ListChanged evento tiene lugar cuando se produce un cambio en la pertenencia o los metadatos de la lista List subyacente representada por la propiedad.The ListChanged event occurs when there is a change to the membership or metadata of the underlying list represented by the List property. Por ejemplo, este evento se genera cuando se agregan, quitan o mueven elementos, DataSource o DataMember cambian las propiedades o.For example, this event is raised when items are added, removed, or moved, or the DataSource or DataMember properties change. Los valores de las Sort propiedades Filter y se conservarán cuando se produzca este evento.The values of the Sort and Filter properties will persist when this event occurs.

Este evento se puede suprimir completamente estableciendo la RaiseListChangedEvents propiedad en. falseThis event can be completely suppressed by setting the RaiseListChangedEvents property to false. Para obtener más información sobre el manejo de eventos, consulte controlar y provocar eventos.For more information about handling events, see Handling and Raising Events.

Se aplica a

Consulte también: