Gets or sets the index of an image to be painted in the indicator cell.
The index of an image to be painted in the indicator cell. -1 if no image is displayed.
An indicator cell can display one of three predefined images according to a node's edit state. These images are accessible from the TreeListPainter.IndicatorImages collection. The ImageIndex property specifies the displayed image by its index. Supported image indexes are shown in the table below.
|Image Index||Node Edit State|
|TreeListPainter.EditorIsInactiveIndicatorImageIndex constant||A node is not being edited.|
|TreeListPainter.EditorIsActiveIndicatorImageIndex constant||The focused cell's editor is active, but the editor's value has not been changed yet.|
|TreeListPainter.EditorIsModifiedIndicatorImageIndex constant||The editor's value has been changed, but the editor hasn't been closed.|