General advice and guidelines on how to properly override object.GetHashCode()

Question

According to MSDN, a hash function must have the following properties:

1. If two objects compare as equal, the GetHashCode method for each object m

Answer 1

public override int GetHashCode()
{
    return IntProp1 ^ IntProp2 ^ StrProp3.GetHashCode() ^ StrProp4.GetHashCode ^ CustomClassProp.GetHashCode;
}

Do the same in the customClass's GetHasCode method. Works like a charm.