Отрисовка текста в PictureBox

            System.Drawing.Graphics formGraphics = this.CreateGraphics();
            string drawString = "Sample Text";
            System.Drawing.Font drawFont = new System.Drawing.Font(
                "Arial", 16);
            System.Drawing.SolidBrush drawBrush = new
                System.Drawing.SolidBrush(System.Drawing.Color.Black);
            float x = 150.0f;
            float y = 50.0f;
            formGraphics.DrawString(drawString, drawFont, drawBrush, x, y);
            drawFont.Dispose();
            drawBrush.Dispose();
            formGraphics.Dispose();

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
 
namespace WindowsFormsApplication3 {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
            button1.Click += new EventHandler(button1_Click);
        }
 
        void button1_Click(object sender, EventArgs e) {
            using (Graphics g = pictureBox1.CreateGraphics()) {
                g.Clear(Color.White);
                g.DrawString("Olo-lo-lo!", new Font("Courier New",30.0F), new SolidBrush(Color.Red), new Point(10, 10));
            }
        }
    }
}

            pictureBox1.Image = (Image)new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics g = Graphics.FromImage(pictureBox1.Image);
            g.DrawString("Hello!", new Font("Arial", 10), new SolidBrush(Color.Red), new Point(10, 10));
            g.Dispose();

pictureBox1.Image = (Image)new Bitmap(pictureBox1.Width, pictureBox1.Height);
            Graphics g = Graphics.FromImage(pictureBox1.Image);
            g.DrawString("Hello!", new Font("Arial", 10), new SolidBrush(Color.Red), new Point(10, 10));
            g.Dispose();

pictureBox1.Image = (Image)new Bitmap(pictureBox1.Width, pictureBox1.Height);

        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
 
        }

Graphics g = pictureBox1.CreateGraphics();
g.DrawLine(new Pen(Color.Black, 2), 10, 10, 10, 40);
g.DrawString("263", new Font("Segoe UI", 10), Brushes.Black, new PointF(40, 10));

 
pictureBox1.Image = (Image)new Bitmap(pictureBox1.Width, pictureBox1.Height);
Graphics g = Graphics.FromImage(pictureBox1.Image);
g.DrawString("263", new Font("Segoe UI", 10), Brushes.Black, new PointF(40, 10));
g.Dispose();

public MyForm()
{
   ....
   pictureBox1.Paint += pictureBox_Paint;
   pictureBox1.Tag="263";
   pictureBox2.Paint += pictureBox_Paint;
   pictureBox2.Tag="275";
}
 
private void pictureBox_Paint(object sender, PaintEventArgs e)
{
  PictureBox pb=sender as PictureBox;
  if(pb.Tag!=null)
    {
       string text=pb.Tag.ToString();
       using(Font fnt=new Font("Segoe UI", 10))
         {
           e.Graphics.DrawString(text, fnt, Brushes.Black, new PointF(40, 10));
         }
    } 
}