'宣言 Public Class ColumnLayoutCollection Inherits Infragistics.Collections.CollectionBase(Of ColumnLayout) Implements Infragistics.ICollectionBase, Infragistics.ICollectionBase(Of ColumnLayout), Infragistics.IProvidePersistenceLookupKeys
public class ColumnLayoutCollection : Infragistics.Collections.CollectionBase<ColumnLayout>, Infragistics.ICollectionBase, Infragistics.ICollectionBase<ColumnLayout>, Infragistics.IProvidePersistenceLookupKeys