C# Anolog Saat Uygulaması

C# programlama dili kullanarak anolog saat uygulaması nasıl yapılır? Kodlar aşağıdadır.

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Anolog_Saat
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        Timer t = new Timer();
        int WIDTH = 300, HEIGHT = 300, Saniye = 130, Yelkovan = 105, Akrep = 75;
        int cx, cy;
        Bitmap bmp;
        int Movee=0;
        int Mouse_X;
        int Mouse_Y;
        private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
        {
            Movee = 1;
            Mouse_X = e.X;
            Mouse_Y = e.Y;
        }
        private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
        {
            if (Movee == 1)
            {
                this.SetDesktopLocation(MousePosition.X - Mouse_X, MousePosition.Y - Mouse_Y);
            }
        }
        private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
        {
            Movee = 0;
        }
        Graphics g;
        private void Form1_Load(object sender, EventArgs e)
        {
            this.TransparencyKey = System.Drawing.SystemColors.ControlLightLight;
            this.pictureBox1.BackColor = System.Drawing.Color.Transparent;
            this.BackColor = System.Drawing.SystemColors.ControlLightLight;
            bmp = new Bitmap(WIDTH + 1, HEIGHT + 1);
            cx = WIDTH / 2;
            cy = HEIGHT / 2;
            t.Interval = 1000;
            t.Tick += new EventHandler(this.t_Tick);
            t.Start();
        }
        private void t_Tick(object sender, EventArgs e)
        {
            g = Graphics.FromImage(bmp);
            int ss = DateTime.Now.Second;
            int mm = DateTime.Now.Minute;
            int hh = DateTime.Now.Hour;
            int[] SnDkSKoord = new int[2];
            g.Clear(SystemColors.ControlLightLight);
            g.DrawEllipse(new Pen(Color.Black, 4f), 0, 0, WIDTH, HEIGHT);
            g.FillEllipse(new SolidBrush(Color.Azure),new Rectangle(0,0,WIDTH,HEIGHT));
            g.DrawImage(Properties.Resources.trcoderooter, new Rectangle(cx-80, cy - 140, 160, 160));
            g.DrawString("12", new Font("Arial", 15), Brushes.Black, new PointF(140, 3));
            g.DrawString("1", new Font("Arial", 15), Brushes.Black, new PointF(218, 22));
            g.DrawString("2", new Font("Arial", 15), Brushes.Black, new PointF(263, 70));
            g.DrawString("3", new Font("Arial", 15), Brushes.Black, new PointF(285, 140));
            g.DrawString("4", new Font("Arial", 15), Brushes.Black, new PointF(263, 212));
            g.DrawString("5", new Font("Arial", 15), Brushes.Black, new PointF(218, 259));
            g.DrawString("6", new Font("Arial", 15), Brushes.Black, new PointF(142, 279));
            g.DrawString("7", new Font("Arial", 15), Brushes.Black, new PointF(70, 259));
            g.DrawString("8", new Font("Arial", 15), Brushes.Black, new PointF(22, 212));
            g.DrawString("9", new Font("Arial", 15), Brushes.Black, new PointF(1, 140));
            g.DrawString("10", new Font("Arial", 15), Brushes.Black, new PointF(22, 70));
            g.DrawString("11", new Font("Arial", 15), Brushes.Black, new PointF(70, 22));
            g.DrawString(hh + ":" + mm + ":" + ss, new Font("Arial", 13,FontStyle.Bold), Brushes.DarkGreen, new PointF(cx-35, cy+40));
            g.DrawString(DateTime.Now.ToShortDateString(), new Font("Arial", 12, FontStyle.Bold), Brushes.DarkGreen, new PointF(cx - 42, cy + 65));
            SnDkSKoord = SnDkKoord(ss, Saniye);
            g.DrawLine(new Pen(Color.Red, 2f), new Point(cx, cy), new Point(SnDkSKoord[0], SnDkSKoord[1]));
            SnDkSKoord = SnDkKoord(mm, Yelkovan);
            g.DrawLine(new Pen(Color.Black, 5f), new Point(cx, cy), new Point(SnDkSKoord[0], SnDkSKoord[1]));
            SnDkSKoord = SaatKoord(hh % 12, mm, Akrep);
            g.DrawLine(new Pen(Color.Gray, 6f), new Point(cx, cy), new Point(SnDkSKoord[0], SnDkSKoord[1]));
            pictureBox1.Image = bmp;
            g.Dispose();
        }
        private int[] SnDkKoord(int val, int hlen)
        {
            int[] coord = new int[2];
            val *= 6; 
            if (val >= 0 && val <= 180)
            {
                coord[0] = cx + (int)(hlen * Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            else
            {
                coord[0] = cx - (int)(hlen * -Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            return coord;
        }
        private int[] SaatKoord(int hval, int mval, int hlen)
        {
            int[] coord = new int[2];
            int val = (int)((hval * 30) + (mval * 0.5));
            if (val >= 0 && val <= 180)
            {
                coord[0] = cx + (int)(hlen * Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            else
            {
                coord[0] = cx - (int)(hlen * -Math.Sin(Math.PI * val / 180));
                coord[1] = cy - (int)(hlen * Math.Cos(Math.PI * val / 180));
            }
            return coord;
        }
    }
}