The Box structure contains only private data
manager
box
box
actor to box and sets layout properties at the same time, if the
LayoutManager used by box has them
actor to box, placing it after sibling, and sets layout
properties at the same time, if the LayoutManager used by box
supports them
actor to box, placing it at position, and sets layout
properties at the same time, if the LayoutManager used by box
supports them
actor to box, placing it before sibling, and sets layout
properties at the same time, if the LayoutManager used by box
supports them
box
box
