Sets whether the GtkInfoBar is revealed.
Changing this will make @info_bar reveal or conceal itself via a sliding transition.
Note: this does not show or hide @info_bar in the [property@Gtk.Widget:visible] sense, so revealing has no effect if [property@Gtk.Widget:visible] is %FALSE.
The new value of the property
See Implementation
Sets whether the GtkInfoBar is revealed.
Changing this will make @info_bar reveal or conceal itself via a sliding transition.
Note: this does not show or hide @info_bar in the [property@Gtk.Widget:visible] sense, so revealing has no effect if [property@Gtk.Widget:visible] is %FALSE.