ObservableCollection<T>.CollectionChanged 事件
定义
重要
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在添加、删除或移动某个项或刷新整个列表时发生。
public:
virtual event System::Collections::Specialized::NotifyCollectionChangedEventHandler ^ CollectionChanged;public virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler CollectionChanged;public virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler? CollectionChanged;member this.CollectionChanged : System.Collections.Specialized.NotifyCollectionChangedEventHandler Public Overridable Custom Event CollectionChanged As NotifyCollectionChangedEventHandler Public Overridable Event CollectionChanged As NotifyCollectionChangedEventHandler 