BindingList<T>.AllowRemove Propiedad

Definición

Obtiene o establece un valor que indica si se pueden quitar elementos de la colección.Gets or sets a value indicating whether you can remove items from the collection.

public:
 property bool AllowRemove { bool get(); void set(bool value); };
public bool AllowRemove { get; set; }
member this.AllowRemove : bool with get, set
Public Property AllowRemove As Boolean

Valor de propiedad

Boolean

true si se pueden quitar elementos de la lista mediante el método RemoveItem(Int32); en caso contrario, false.true if you can remove items from the list with the RemoveItem(Int32) method otherwise, false. De manera predeterminada, es true.The default is true.

Ejemplos

En el ejemplo de código siguiente se muestra cómo establecer la AllowRemove propiedad.The following code example demonstrates how to set the AllowRemove property. Para obtener el ejemplo completo, vea el BindingList<T> tema información general de la clase.For the complete example, see the BindingList<T> class overview topic.

    // Declare a new BindingListOfT with the Part business object.
    BindingList<Part> listOfParts; 
    private void InitializeListOfParts()
    {
        // Create the new BindingList of Part type.
        listOfParts = new BindingList<Part>();

        // Allow new parts to be added, but not removed once committed.        
        listOfParts.AllowNew = true;
        listOfParts.AllowRemove = false;

        // Raise ListChanged events when new parts are added.
        listOfParts.RaiseListChangedEvents = true;

        // Do not allow parts to be edited.
        listOfParts.AllowEdit = false;
        
        // Add a couple of parts to the list.
        listOfParts.Add(new Part("Widget", 1234));
        listOfParts.Add(new Part("Gadget", 5647));
    }
' Declare a new BindingListOfT with the Part business object.
Private WithEvents listOfParts As BindingList(Of Part)

Private Sub InitializeListOfParts()

    ' Create the new BindingList of Part type.
    listOfParts = New BindingList(Of Part)

    ' Allow new parts to be added, but not removed once committed.        
    listOfParts.AllowNew = True
    listOfParts.AllowRemove = False

    ' Raise ListChanged events when new parts are added.
    listOfParts.RaiseListChangedEvents = True

    ' Do not allow parts to be edited.
    listOfParts.AllowEdit = False

    ' Add a couple of parts to the list.
    listOfParts.Add(New Part("Widget", 1234))
    listOfParts.Add(New Part("Gadget", 5647))

End Sub

Comentarios

AllowRemoveNormalmente, otros componentes utilizan la propiedad para determinar si se permite la eliminación de elementos.The AllowRemove property is typically used by other components to determine if the removal of items is allowed.

Cuando AllowRemove se establece en un valor nuevo, ListChanged se produce un evento de tipo Reset .When AllowRemove is set to a new value, a ListChanged event of type Reset occurs.

Se aplica a

Consulte también