void onButtonClicked(Button button)
        {
            if (_parameterType == null)
            {
                (_memberInfo as MethodInfo).Invoke(_target, new object[] { });
            }
            else
            {
                // extract the param and properly cast it
                var parameters = new object[1];

                try
                {
                    if (_parameterType == typeof(float))
                    {
                        parameters[0] = float.Parse(_textField.getText());
                    }
                    else if (_parameterType == typeof(int))
                    {
                        parameters[0] = int.Parse(_textField.getText());
                    }
                    else if (_parameterType == typeof(bool))
                    {
                        parameters[0] = bool.Parse(_textField.getText());
                    }
                    else
                    {
                        parameters[0] = _textField.getText();
                    }

                    (_memberInfo as MethodInfo).Invoke(_target, parameters);
                }
                catch (Exception e)
                {
                    Debug.error(e.ToString());
                }
            }
        }