BindingList<T>.RaiseListChangedEvents Properti

Definisi

Ruang nama:

System.ComponentModel

Rakitan:

System.ComponentModel.TypeConverter.dll

Sumber:

BindingList.cs

Mendapatkan atau menetapkan nilai yang menunjukkan apakah menambahkan atau menghapus item dalam daftar memunculkan ListChanged peristiwa.

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

Nilai Properti

Boolean

true jika menambahkan atau menghapus item akan menimbulkan ListChanged peristiwa; jika tidak, false. Default adalah true.

Contoh

Contoh kode berikut menunjukkan cara menggunakan RaiseListChangedEvents metode . Untuk contoh lengkapnya, lihat BindingList<T> topik gambaran umum kelas.

    // 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

Keterangan

Atur properti ke RaiseListChangedEventsfalse jika Anda ingin menekan ListChanged peristiwa agar tidak terjadi dalam daftar.