public void FromMessageDoubleTest()
        {
            double doubleParam = 0.0;

            Assert.That(ParameterConverter.FromMessage(message, typeof(double), out param, out errorMsg), Is.False);
            Assert.That(ParameterConverter.DoubleFromMessage(message, ref doubleParam, ref errorMsg), Is.False);
            message.DoubleParam = 42.0;
            Assert.That(ParameterConverter.FromMessage(message, typeof(double), out param, out errorMsg), Is.True);
            Assert.That(param, Is.EqualTo(42.0));
            Assert.That(ParameterConverter.DoubleFromMessage(message, ref doubleParam, ref errorMsg), Is.True);
            Assert.That(doubleParam, Is.EqualTo(42.0));
        }