WoW:Anchors
Anchors are of type FRAMEPOINT, which has the following enumeration:
- TOPLEFT
- TOPRIGHT
- BOTTOMLEFT
- BOTTOMRIGHT
- TOP
- BOTTOM
- LEFT
- RIGHT
- CENTER
They may be specified with an optional relativeTo <some other frame> and relativePoint <on that frame>.
In additon offsets can be defined from the anchor points.
These correspond to the Region widget.