Microsoft.CSharp.RuntimeBinder.Semantics.MethodOrPropertySymbol.HasOptionalParameters C# (CSharp) Method

        public bool HasOptionalParameters()
        {
            if (_optionalParameterIndex == null)
            {
                return false;
            }
            foreach (bool b in _optionalParameterIndex)
            {
                if (b)
                {
                    return true;
                }
            }
            return false;
        }