gtk/gtk_since_3_12.go
func (fb *FlowBox) Insert(widget IWidget, position int) {
	C.gtk_flow_box_insert(fb.native(), widget.toWidget(), C.gint(position))
}
func (fb *FlowBox) Insert(widget IWidget, position int) {
	C.gtk_flow_box_insert(fb.native(), widget.toWidget(), C.gint(position))
}
// Insert is a wrapper around gtk_flow_box_insert()