![](dotnetdiagramimages/Xceed_Wpf_DataGrid_Xceed_Wpf_DataGrid_ColumnCollection.png)
'Declaration <DefaultMemberAttribute("Item")> <DebuggerTypeProxyAttribute(System.Collections.Generic.Mscorlib_CollectionDebugView`1)> <DebuggerDisplayAttribute("Count = {Count}")> Public Class ColumnCollection Inherits ObservableColumnCollection
'Usage Dim instance As ColumnCollection
[DefaultMember("Item")] [DebuggerTypeProxy(System.Collections.Generic.Mscorlib_CollectionDebugView`1)] [DebuggerDisplay("Count = {Count}")] public class ColumnCollection : ObservableColumnCollection
System.Object
System.Collections.ObjectModel.Collection<T>
Xceed.Wpf.DataGrid.ContentElementCollection<T>
Xceed.Wpf.DataGrid.ObservableColumnCollection
Xceed.Wpf.DataGrid.ColumnCollection
Xceed.Wpf.DataGrid.MergedColumnCollection
Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2