EMGU 第一个程序 读取图片

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 Emgu.CV;
using Emgu.CV.CvEnum;
using Emgu.CV.Structure;
using Emgu.CV.UI;

namespace test
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
        }

        private void button1_Click(object sender, EventArgs e)
        {
            var dialog = new OpenFileDialog();
            dialog.Filter = "图片(*.jpg/*.png/*.gif/*.bmp)|*.jpg;*.png;*.gif;*.bmp";
            if (dialog.ShowDialog() == DialogResult.OK)
            {
                Mat img = CvInvoke.Imread(dialog.FileName);//, LoadImageType.Unchanged
                pictureBox1.Image = img.Bitmap;
            }
        }
    }
}