gtk/tree_view.go
func (v *TreeView) SetActivateOnSingleClick(show bool) {
	C.gtk_tree_view_set_activate_on_single_click(v.native(), gbool(show))
}
func (v *TreeView) SetActivateOnSingleClick(show bool) {
	C.gtk_tree_view_set_activate_on_single_click(v.native(), gbool(show))
}
// SetActivateOnSingleClick is a wrapper around gtk_tree_view_set_activate_on_single_click().