CSharp窗体图片框无质量损失地绘制小图像

using System;
using System.Drawing;
using System.Windows.Forms;

namespace WindowsFormsApp
{
    public partial class Form1 : Form
    {
        private Image image;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // 加载图像
            image = Image.FromFile("path_to_image_file");

            // 设置图片框控件的大小和位置
            pictureBox1.Size = new Size(image.Width, image.Height);
            pictureBox1.Location = new Point(10, 10);

            // 注册绘制事件
            pictureBox1.Paint += PictureBox1_Paint;
        }

        private void PictureBox1_Paint(object sender, PaintEventArgs e)
        {
            // 在图片框上绘制图像
            e.Graphics.DrawImage(image, 0, 0);
        }
    }
}