private void put_action_into_group(
Action action,
IAction_group group
)
{
group.add_action(action);
action.action_group = group;
}
private IFigure_appearance create_simple_figure_appearance(
IFigure figure,
IAction_group start,
IAction_group end
)
{
IFigure_appearance appearance =
new Figure_appearance(
figure, start, end
);
figure.add_appearance(appearance);
start.add_action(appearance.get_start());
end.add_action(appearance.get_end());
return(appearance);
}