
'宣言
Public Class ObservableCollection(Of T) Inherits System.Collections.ObjectModel.Collection(Of T) Implements GrapeCity.Viewer.Common.Implementation.IItemCollection(Of T), GrapeCity.Viewer.Common.Implementation.INotificationCollection(Of T), INotifyCollectionChanged
System.Object
System.Collections.ObjectModel.Collection<T>
GrapeCity.Viewer.Common.ObservableCollection<T>