![](dotnetdiagramimages/C1_Win_C1List_4_5_2_C1_Win_C1List_C1DataColumnCollection.png)
'Declaration
Public Class C1DataColumnCollection Inherits System.Collections.CollectionBase
public class C1DataColumnCollection : System.Collections.CollectionBase
System.Object
System.Collections.CollectionBase
C1.Win.C1List.C1DataColumnCollection
C1.Win.C1List.SelectedColumnCollection