public bool OnNavigationItemSelected(IMenuItem item)
{
if (item.Equals(CurrentItem))
{
return(false);
}
CurrentItem = item;
UpdateTitles(item);
var viewModelType = this.FindItemByMenuItem(item);
if (viewModelType != null && HandleNavigate.CanExecute(viewModelType))
{
HandleNavigate.Execute(viewModelType);
return(true);
}
return(false);
}