internal SelectionState saveState()
{
SelectionState state = new SelectionState();
state.SelectedItems = Objects.Clone();
state.SelectedBoxes = Boxes.Clone();
state.SelectedTables = Tables.Clone();
state.SelectedArrows = Arrows.Clone();
state.SelectedHosts = ControlHosts.Clone();
state.ActiveItem = flowChart.ActiveObject;
return(state);
}
