Returns the layer at which the region's graphics are drawn relative to others in its frame
Signature:
layer, sublayer = LayeredRegion:GetDrawLayer()
Returns:
- layer- String identifying a graphics layer; one of the following values: (- string, layer)- ARTWORK
- BACKGROUND
- BORDER
- HIGHLIGHT
- OVERLAY
 
- sublayer- Number between -8 and 7 identifying a sub-layer within the layer (- number)
