gtk:status-icon-set-from-pixbuf (icon pixbuf)

icon -- a gtk:status-icon object
pixbuf -- a gdk-pixbuf:pixbuf object or nil

Makes the status icon display pixbuf. See the gtk:status-icon-new-from-pixbuf function for details. The gtk:status-icon-set-from-pixbuf function has been deprecated since version 3.14 and should not be used in newly written code.