Warning gtk_icon_set_copy has been deprecated since version 3.10 and should not be used in newly-written code. Use GtkIconTheme instead. Copies icon_set by value.
a new GtkIconSet identical to the first.
See Implementation
Warning gtk_icon_set_copy has been deprecated since version 3.10 and should not be used in newly-written code. Use GtkIconTheme instead. Copies icon_set by value.