the bottom edge
The bottom right or top left corner, depending on the text direction
The bottom left corner
The bottom right corner
The bottom left or top right corner, depending on the text direction
The center pointer
The right or left edge, depending on the text direction
The left edge
The right edge
The left or right edge, depending on the text direction
The top edge
The top right or top left corner, depending on the text direction
The top left corner
The top right corner
The top left or top right corner, depending on the text direction
Determines which point or edge of a window is meant to remain fixed when a window changes size.
Since
4.20