TreeList.ColumnsImageList Property

Gets or sets the source of images that can be displayed within column headers and bands.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v23.2.dll

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

Declaration

C#

[DefaultValue(null)]
public object ColumnsImageList { get; set; }

VB.NET

<DefaultValue(Nothing)>
Public Property ColumnsImageList As Object

Property Value

Type	Default	Description
Object	null	An object that is the source of images that can be displayed within column headers and bands.

Remarks

The ColumnsImageList property accepts the following image collections:

• ImageCollection - Supports image transparency.
• SharedImageCollection - Supports image transparency. Allows you to share images between controls within multiple forms.
• SvgImageCollection - Stores vector icons that can scale without losing their quality on high resolution devices.
• ImageList.

Use the TreeListColumn.ImageIndex property to associate images from the ColumnsImageList collection to individual columns.

To assign images to individual bands, use the ImageIndex property accessible in TreeListBand.ImageOptions of the required band.