'宣言 Public Class TreeColumnCollection Inherits C1.Framework.TreeCollection(Of GridColumn)
public class TreeColumnCollection : C1.Framework.TreeCollection<GridColumn>
'宣言 Public Class TreeColumnCollection Inherits C1.Framework.TreeCollection(Of GridColumn)
public class TreeColumnCollection : C1.Framework.TreeCollection<GridColumn>
System.Object
System.Collections.ObjectModel.Collection<T>
System.Collections.ObjectModel.ObservableCollection<T>
C1.Framework.TreeColumnCollection