Inserts item at position in the list of children of group.
item
position
group
gtkToolItemGroupInsert(object, item, position)
object
a GtkToolItemGroup
GtkToolItemGroup
the GtkToolItem to insert into group
GtkToolItem
the position of item in group, starting with 0. The position -1 means end of list.
Since 2.20
Derived by RGtkGen from GTK+ documentation