C#控制台程序，面向对象的问题请看图片

不知道如何定义方法，如何使用方法。特别是定义一个方法，调用该函数时以特定格式输出这个很蒙逼。
谢谢！！

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;

namespace Q717058
{
    class Point
    {
        private double X { get; set; }
        private double Y { get; set; }
        private double Z { get; set; }
        private double T { get; set; }
        public Point(double x, double y, double z, double t)
        {
            X = x; Y = y; Z = z; T = t; 
        }
        public static implicit operator Point(string s)
        {
            double[] d = s.Split(' ').Select(x => double.Parse(x)).ToArray();
            return new Point(d[0], d[1], d[2], d[3]);
        }
        public override string ToString()
        {
            return string.Format("({0},{1},{2},{3})", X, Y, Z, T);
        }
        public void Print()
        {
            Console.WriteLine(this);
        }
        public double Distance(Point p)
        {
            return Math.Sqrt(new double[] { X - p.X, Y - p.Y, Z - p.Z, T - p.T }
                .Select(x => x * x)
                .Sum());
        }
        public void Move(char c, double n)
        {
            var prop = GetType().GetProperty(c.ToString().ToUpper(), BindingFlags.NonPublic | BindingFlags.Instance);
            if (prop != null)
                prop.SetValue(this, (double)prop.GetValue(this, null) + n, null);
        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            Point p1 = (Point)Console.ReadLine();
            Point p2 = (Point)Console.ReadLine();
            string l3 = Console.ReadLine();
            p1.Move(l3[0], double.Parse(l3.Split(' ')[1]));
            p1.Print();
            Console.WriteLine("Distance={0}", p1.Distance(p2));
        }
    }
}