BindingList<T>.RaiseListChangedEvents Propriété

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

public bool RaiseListChangedEvents { get; set; }

member this.RaiseListChangedEvents : bool with get, set

Public Property RaiseListChangedEvents As Boolean

Valeur de propriété

true si l'ajout ou la suppression d'éléments déclenche des événements ListChanged ; sinon, false. La valeur par défaut est true.

Exemples

L’exemple de code suivant montre comment utiliser la RaiseListChangedEvents méthode . Pour obtenir l’exemple complet, consultez la rubrique Vue d’ensemble de la BindingList<T> classe.

    // 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

Remarques

Définissez la RaiseListChangedEvents propriété false sur si vous souhaitez supprimer ListChanged les événements de la liste.

S’applique à