private void newViewModel_RequestNavigateBackTo(object sender, NavigationBackEventArgs e)
{
if (e.Parameters != null)
{
NavigationViewModelBase.NavigationState["back_params"] = e.Parameters;
}
JournalEntry target = null;
var backStackList = NavigationService.BackStack.ToList();
foreach (var backStack in backStackList)
{
var uri = backStack.Source.ToString();
if (uri.Contains(e.ViewModel.ViewHint))
{
target = backStack;
break;
}
}
if (target == null)
{
// We can't find anything in the backlog
e.ViewModel.RollbackFromNavigateBackTo(e.Parameters);
return;
}
var index = backStackList.IndexOf(target);
for (int i = 0; i < index; i++)
{
NavigationService.RemoveBackEntry();
}
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
}
private void newViewModel_RequestNavigateBackTo(object sender, NavigationBackEventArgs e)
{
if (e.Parameters != null)
{
NavigationViewModelBase.NavigationState["back_params"] = e.Parameters;
}
JournalEntry target = null;
var backStackList = NavigationService.BackStack.ToList();
foreach (var backStack in backStackList)
{
var uri = backStack.Source.ToString();
var rootFrame = Application.Current.RootVisual as Frame;
if (rootFrame != null)
{
if (rootFrame.UriMapper != null)
{
uri = rootFrame.UriMapper.MapUri(backStack.Source).ToString();
}
}
if (uri.Contains(e.ViewModel.ViewHint))
{
target = backStack;
break;
}
}
if (target == null)
{
// We can't find anything in the backlog
e.ViewModel.RollbackFromNavigateBackTo(e.Parameters);
return;
}
var index = backStackList.IndexOf(target);
for (int i = 0; i < index; i++)
{
NavigationService.RemoveBackEntry();
}
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
}