spacing = 10 | Vertical space to leave between items. |
align = 'l' | Horizontal alignment of items. One of 'l', 'c' or 'r' for left, centre or right. |
equalize = '' | Specifies whether to make the size of all items equal in the horizontal and/or vertical direction. One of 'w', 'h' or 'wh'. |
expand = None | Specifies
which item, if any, is to change size vertically when the container is
resized. May be the item itself or an index into the item list. Items
above this item will be anchored to the top of the container, and
items below it will be anchored to the bottom of the container. |