ItemsControl.OnItemsSourceChanged(IEnumerable, IEnumerable) 方法

定义

命名空间:

System.Windows.Controls

程序集:

PresentationFramework.dll

当 ItemsSource 属性更改时调用。

protected:
 virtual void OnItemsSourceChanged(System::Collections::IEnumerable ^ oldValue, System::Collections::IEnumerable ^ newValue);

protected virtual void OnItemsSourceChanged (System.Collections.IEnumerable oldValue, System.Collections.IEnumerable newValue);

abstract member OnItemsSourceChanged : System.Collections.IEnumerable * System.Collections.IEnumerable -> unit
override this.OnItemsSourceChanged : System.Collections.IEnumerable * System.Collections.IEnumerable -> unit

Protected Overridable Sub OnItemsSourceChanged (oldValue As IEnumerable, newValue As IEnumerable)

参数

oldValue

IEnumerable

ItemsSource 属性的旧值。

newValue

IEnumerable

ItemsSource 属性的新值。