TestStaticMethodInClass

namespace StaticMethodInConstructor
{
    using System;

    class Program
    {
        static void Main(string[] args)
        {
            TestStaticMethodInClass testStaticMethodInClass = new TestStaticMethodInClass(-1);
            Console.WriteLine(testStaticMethodInClass.ClassTestNumber);
        }
    }

    public class TestStaticMethodInClass
    {
        private int classTestNumber;

        public int ClassTestNumber
        {
            get { return classTestNumber; }
            set { classTestNumber = value; }
        }


        public TestStaticMethodInClass(int number)
        {
            this.classTestNumber = ValidateNumber(number);
        }

        public static int ValidateNumber(int number)
        {
            if (number > 0)
            {
                return number;
            }

            return 0;
        }
    }
}