void SaveState(PageStateStorage storage)
{
storage.SaveParameter("SelectedDemoModuleIndex", SelectedDemoModuleIndex);
storage.SaveParameter("NeedDisableNavigationOnSelectedHamburgerMenuItemChanged", true);
storage.SaveParameter("DemoNavigationHistory", navigationHistory);
}
void ISupportSaveLoadState.SaveState(PageStateStorage pageState)
{
pageState.SaveParameter("SelectedItem", SelectedItem.UniqueId);
}