|Boolean||A boolean expression that indicates whether the control's images list window is visible or hidden.|
The property has effect only at design time. Use the Images method to assign a list of icons to the control, at run time. Use the RepaceIcon method to add, remove or clear icons in the control's images collection. Use the BookmarkImageLine property to assign an icon to the control's bookmarks header.
The following screen shot shows the control's images panel, where user can drag icon files in order to add new icons to the control at design mode: