The property is available for /COM version only, and only at design mode. By default, the ShowImageList property is False. Use the ShowImageList property to show the control's images list window. The control's images list window is visible only at design time. Use the Images method to associate an images list control to the control. Use the ReplaceIcon method to add, remove or clear icons in the control's images collection, at runtime. Use the Pictures / ExtraPictures properties to display different pictures on the element.