Sets the icon for the tool button from a named themed icon. See the docs for #GtkIconTheme for more details. The “icon_name” property only has an effect if not overridden by non-%NULL “label”, “icon_widget” and “stock_id” properties.
the name of the themed icon
2.8
See Implementation
Sets the icon for the tool button from a named themed icon. See the docs for #GtkIconTheme for more details. The “icon_name” property only has an effect if not overridden by non-%NULL “label”, “icon_widget” and “stock_id” properties.