| Value | Description |
|---|---|
| ieloTopFirst | The top (front-most) layer is displayed first in the control, down to the background layer last (i.e. layer 0 will be at the bottom of the view) |
| ieloBackgroundFirst | The background layer layer is displayed first in the control, down to the top layer last (i.e. layer 0 will be at the top of the view) |