public CompoundListMemento <T, U> Restore(T target)
{
CompoundListMemento <T, U> inverse = new CompoundListMemento <T, U>(pointerIndex);
//starts from the last action
for (int i = mementos.Count - 1; i >= 0; i--)
{
inverse.Add(mementos[i].Restore(target));
}
return(inverse);
}
public void CheckPoint(IListTOfVMemento <T, U> m)
{
if (inUndoRedo)
{
throw new InvalidOperationException("Involking do within an undo/redo action.");
}
if (tempMemento == null)
{
_Do(m);
}
else
{
tempMemento.Add(m);
}
}
