public static bool GoBack()
{
if ((history.Count == 0) || !CanNavigate())
{
return(false);
}
NavigateBackHandler handler = history.Peek();
if (!handler())
{
return(false);
}
if ((history.Count > 0) && (handler == history.Peek()))
{
history.Pop();
}
if (NAVIGATION_DEBUG)
{
DumpStack();
}
return(true);
}
public static void PopUnique(NavigateBackHandler handler)
{
public static bool BackStackContainsHandler(NavigateBackHandler handler)
{
return(history.Contains(handler));
}
