gtk:box-query-child-packing (box child)

box -- a gtk:box container widget
child -- a gtk:widget child widget to query
expand -- a boolean for the expand child property
fill -- a boolean for the fill child property
padding -- an integer for the padding child property
packtype -- a gtk:pack-type value for the pack-type child property

Obtains information about how the child widget is packed into the box. In the Lisp binding you can use the gtk:box-child-expand, gtk:box-child-fill, gkt-box-child-padding, and gtk:box-child-pack-type functions to retrieve the child properties. This function is implemented with these child accessor functions.