Warning gtk_icon_set_unref has been deprecated since version 3.10 and should not be used in newly-written code. Use GtkIconTheme instead. Decrements the reference count on icon_set, and frees memory if the reference count reaches 0.
See Implementation
Warning gtk_icon_set_unref has been deprecated since version 3.10 and should not be used in newly-written code. Use GtkIconTheme instead. Decrements the reference count on icon_set, and frees memory if the reference count reaches 0.