void txt_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
HelpMenuModel model = (HelpMenuModel)((TextBlock)sender).Tag;
if (model != null)
{
_history.Add(model);
}
if (model == null)
{
_history.Clear();
}
displayedModel = model;
DisplayRoot();
}
private void TextBlock_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (_history.Count() > 0)
{
_history.RemoveAt(_history.Count() - 1);
if (_history.Count() > 0)
{
displayedModel = _history[_history.Count() - 1];
}
else
{
displayedModel = null;
}
}
DisplayRoot();
}
