MonoMac.CoreFoundation.DispatchObject.operator C# (CSharp) Method

        public static bool operator !=(DispatchObject a, DispatchObject b)
        {
            if (a == null){
                if (b == null)
                    return false;
                return true;
            } else {
                if (b == null)
                    return true;
                return a.handle != b.handle;
            }
        }