IDataFrameColumnCollectionTData Interface

public interface IDataFrameColumnCollection<TData> : IEnumerable<IDataFrameColumn<TData>>, 
	IEnumerable, IDisposable
where TData : new()

Public Interface IDataFrameColumnCollection(Of TData As New)
	Inherits IEnumerable(Of IDataFrameColumn(Of TData)), IEnumerable, 
	IDisposable

generic<typename TData>
where TData : gcnew()
public interface class IDataFrameColumnCollection : IEnumerable<IDataFrameColumn<TData>^>, 
	IEnumerable, IDisposable

type IDataFrameColumnCollection<'TData when 'TData : new()> = 
    interface
        interface IEnumerable<IDataFrameColumn<'TData>>
        interface IEnumerable
        interface IDisposable
    end