public class ColumnsCollection : IColumnsCollection, 
	IList, ICollection, IEnumerable

Public Class ColumnsCollection
	Implements IColumnsCollection, IList, ICollection, IEnumerable

public ref class ColumnsCollection : IColumnsCollection, 
	IList, ICollection, IEnumerable

type ColumnsCollection =  
    class
        interface IColumnsCollection
        interface IList
        interface ICollection
        interface IEnumerable
    end