public static bool SetObject <T>(this IProjectItem notifier, IProjectItem container, string propertyName, ref T newValue, string propertyNotifierName)
where T : class
{
var propertyInfo = container.GetType().GetProperty(propertyName);
var oldValue = (T)propertyInfo.GetValue(container, null);
propertyInfo.SetValue(container, newValue, null);
var result = notifier.SetObject(ref oldValue, ref newValue, propertyNotifierName);
return(result);
}