windowsforms-devexpress-dot-xtratreelist-dot-optionslayouttreelist-57c50eb8.md
Gets or sets whether the columns that exist in a layout when it’s restored, but that don’t exist in the current control, should be discarded or added to the control.
Namespace : DevExpress.XtraTreeList
Assembly : DevExpress.XtraTreeList.v25.2.dll
NuGet Packages : DevExpress.Win.Navigation, DevExpress.Win.TreeList
[DefaultValue(false)]
[DXCategory("Columns")]
[XtraSerializableProperty]
public bool RemoveOldColumns { get; set; }
<DefaultValue(False)>
<XtraSerializableProperty>
<DXCategory("Columns")>
Public Property RemoveOldColumns As Boolean
| Type | Default | Description |
|---|---|---|
| Boolean | false |
true to discard the columns that exist in the layout being restored, but don’t exist in the current control; false to add these columns to the control.
|
You can access this nested property as listed below:
| Object Type | Path to RemoveOldColumns |
|---|---|
| TreeList |
.OptionsLayout .RemoveOldColumns
|
This option affects how the control’s layout is restored. If it’s set to true , the columns that exist in the layout being loaded, but do not exist in the current control, will not be re-created. Otherwise, these columns will be added to the control.
See Also