using System;

public class Program

{

    public static void Main()

    {

        var test = new Test();

        test.ParameterValue = "false";

        Console.WriteLine($"{test.ParameterValue}: {test.BoolResponse}");

        test.ParameterValue = "true";

        Console.WriteLine($"{test.ParameterValue}: {test.BoolResponse}");

        test.ParameterValue = null;

        Console.WriteLine($"{test.ParameterValue}: {test.BoolResponse}");

        test.ParameterValue = "something";

        Console.WriteLine($"{test.ParameterValue}: {test.BoolResponse}");

    }

    public class Test

    {

        public string ParameterValue { get; set; }

        public bool BoolResponse

        {

            get

            {

                return bool.TryParse(ParameterValue, out var boolAfterTryParse)

                    ? boolAfterTryParse

                    : false;

            }

            set => ParameterValue = value.ToString();

        }

    }

}