property Thumbnail.ShowImageList as Boolean
Specifies whether the control's image list window is visible or hidden.

TypeDescription
Boolean A boolean expression that specifies whether the control's image list window is visible or hidden.
By default, the ShowImageList property is True. Use the ShowImageList property to hide 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 Thumbnail control. Use the RepaceIcon method to add, remove or clear icons in the control's images collection.