gtk-cell-area-apply-attributes (area model iter is-expander is-expanded)

area -- a gtk-cell-area object
model -- a gtk-tree-model object to pull values from
iter -- a gtk-tree-iter iterator in model to apply values for
is-expander -- a boolean whether iter has children
is-expanded -- a boolean whether iter is expanded in the view and children are visible

Applies any connected attributes to the renderers in the cell area by pulling the values from the tree model.