PictureBox を IplImage に合わせて伸縮させる例

300, 300 の Form1 いっぱいに PictureBox1 を置き，そこに表示する例．表示する画像に合わせて，Form1 を変形する．

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;
using KwsmLab.OpenCvSharp;

namespace OpenCvSharpTest
{
    public partial class Form1 : Form
    {
        private IplImage img = new IplImage(@"C:\Data\Image\lena.png");
        public Form1()
        {
            InitializeComponent();
            pictureBox1.Image = img.ToBitmap();
            if (img.Height - this.pictureBox1.Height != 0)
            {
                this.Height = this.Height + img.Height - this.pictureBox1.Height;
            }
            if (img.Width - this.pictureBox1.Width != 0)
            {
                this.Width = this.Width + img.Width - this.pictureBox1.Width;
            }
        }
    }
}