Warning
gtk_box_pack_start_defaults has been deprecated since version 2.14 and should not be used in newly-written code. Use gtk_box_pack_start()
Adds widget to box, packed with reference to the start of box.
The child is packed after any other child packed with reference
to the start of box.
Parameters for how to pack the child widget, "expand",
"fill" and "padding", are given their default
values, TRUE, TRUE, and 0, respectively.
Warning gtk_box_pack_start_defaults has been deprecated since version 2.14 and should not be used in newly-written code. Use gtk_box_pack_start() Adds widget to box, packed with reference to the start of box. The child is packed after any other child packed with reference to the start of box. Parameters for how to pack the child widget, "expand", "fill" and "padding", are given their default values, TRUE, TRUE, and 0, respectively.