private void ReturnLastAction()
{
CanSaveState obj = savedStateStack.Pop();
obj.backToPrevious();
if (!bkgImages.Contains(selectedFigure))
{
selectedFigure = null;
}
UpdateGraphics();
if (savedStateStack.Count == 0)
{
btnReturnLastAction.Enabled = false;
}
}
private void saveFigureState(CanSaveState figure)
{
figure.saveState();
savedStateStack.Push(figure);
btnReturnLastAction.Enabled = true;
}
