'Declaration
<DefaultMemberAttribute("Item")> <DebuggerTypeProxyAttribute(System.Collections.Generic.Mscorlib_CollectionDebugView`1)> <DebuggerDisplayAttribute("Count = {Count}")> Public Class C1ObservableCollection(Of T) Inherits System.Collections.ObjectModel.Collection(Of T)
[DefaultMember("Item")] [DebuggerTypeProxy(System.Collections.Generic.Mscorlib_CollectionDebugView`1)] [DebuggerDisplay("Count = {Count}")] public class C1ObservableCollection<T> : System.Collections.ObjectModel.Collection<T>