OptionsLayoutTreeList.AddNewColumns Property

Gets or sets whether the columns that exist in the current control but do not exist in a layout when it’s restored should be retained.

Namespace : DevExpress.XtraTreeList

Assembly : DevExpress.XtraTreeList.v25.2.dll

NuGet Packages : DevExpress.Win.Navigation, DevExpress.Win.TreeList

csharp

[DefaultValue(true)]
[DXCategory("Columns")]
[XtraSerializableProperty]
public bool AddNewColumns { get; set; }

<DefaultValue(True)>
<XtraSerializableProperty>
<DXCategory("Columns")>
Public Property AddNewColumns As Boolean

Property Value

Type	Default	Description
Boolean	true

true to retain the columns that exist in the current control’s layout but don’t exist in the layout being restored; false to destroy such columns.

Property Paths

You can access this nested property as listed below:

Object Type	Path to AddNewColumns
TreeList

.OptionsLayout .AddNewColumns

Remarks

This option affects how the control’s layout is restored. If it’s set to true the columns that exist in the current control’s layout but do not exist in the layout being restored will be retained. Otherwise, these columns will be destroyed.