picturebox.cs

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 FacialRecognition
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
            this.pictureBox1.Image = Image.FromFile(@"C:\Users\Public\Pictures\Sample Pictures\Koala.jpg");
        }

        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
            e.Graphics.RotateTransform(30);
            e.Graphics.DrawRectangle(new Pen(Color.Blue, 2), 10, 10, 100, 100);
        }
    }
}