public static void Back(int i)
{
while (i > 0)
{
forwardHistory.Push(currentHistoryItem);
currentHistoryItem = backwardHistory.Pop();
i--;
}
DoHistoryItem(currentHistoryItem);
}
public static void NewHistoryItem(HistoryItem historyItem)
{
if (InHistoryNavigation)
{
return;
}
if (historyItem.Equals(currentHistoryItem))
{
return;
}
if (currentHistoryItem != null)
{
backwardHistory.Push(currentHistoryItem);
}
forwardHistory.Clear();
currentHistoryItem = historyItem;
EnableHistoryButtons();
}