BindingList<T>.RaiseListChangedEvents 屬性

定義

命名空間:

System.ComponentModel

組件:

netstandard.dll, System.ComponentModel.TypeConverter.dll

來源:

BindingList.cs

取得或設定一個值，指示列表中新增或移除項目是否會 ListChanged 引發事件。

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

屬性值

Boolean

true如果新增或移除項目會ListChanged引發事件;否則， false 預設值為 true。

範例

以下程式碼範例示範如何使用此 RaiseListChangedEvents 方法。 完整範例請參見 BindingList<T> 課程總覽主題。

// Declare a new BindingListOfT with the Part business object.
BindingList<Part> listOfParts;
void InitializeListOfParts()
{
    // Create the new BindingList of Part type.
    listOfParts = new BindingList<Part>
    {
        // Allow new parts to be added, but not removed once committed.        
        AllowNew = true,
        AllowRemove = false,

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

        // Do not allow parts to be edited.
        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

備註

若想ListChanged抑制列表中事件發生，則將屬性設RaiseListChangedEvents為false