window using the given
parameters. arrow.type determines the direction of the arrow.gtkPaintArrow(object, window, state.type, shadow.type, area = NULL, widget = NULL, detail = NULL, arrow.type, fill, x, y, width, height)objectGtkStylewindowstate.typeshadow.typeareaNULL if the
output should not be clipped. [ allow-none ]widgetdetailarrow.typefillTRUE if the arrow tip should be filledxywidthheight