public void SetChildPacking(Gtk.Widget child, bool expand, bool fill, uint padding, Gtk.PackType pack_type)
{
gtk_box_set_child_packing(Handle, child == null ? IntPtr.Zero : child.Handle, expand, fill, padding, (int)pack_type);
}
public void QueryChildPacking(Gtk.Widget child, out bool expand, out bool fill, out uint padding, out Gtk.PackType pack_type)
{
int native_pack_type;
gtk_box_query_child_packing(Handle, child == null ? IntPtr.Zero : child.Handle, out expand, out fill, out padding, out native_pack_type);
pack_type = (Gtk.PackType)native_pack_type;
}