public override bool Undo()
{
if (base.Undo() && AffectedFigures.Count() > 0)
{
DrawingView.ClearSelection();
AffectedFigures = _command.InsertFigures(AffectedFigures.Reverse().ToFigures(), 0, 0);
return(true);
}
return(false);
}
public override bool Redo()
{
// do not call execute directly as the selection might has changed
if (Redoable == false)
{
return(false);
}
_command.DeleteFigures(AffectedFigures.ToFigures());
DrawingView.ClearSelection();
return(true);
}
public override bool Undo()
{
if (base.Undo() == false)
{
return(false);
}
DrawingView.ClearSelection();
DrawingView.AddToSelection(AffectedFigures.ToFigures());
return(true);
}
