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   源码介绍

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

        private void button1_Click(object sender, EventArgs e)
        {
            camera = new camera(panel1.Handle, 0, 0, panel1.Width, panel1.Height);
            camera.Start();
            pictureBox1.ImageLocation = null; //清空pictureBox1
        }

        private void button2_Click(object sender, EventArgs e)
        {
            camera.Stop();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            string path;
            SaveFileDialog sdf1 = new SaveFileDialog();
            sdf1.Filter = "图片*.bmp;*.jpg;.jpeg;*.gif|*.bmp|所有文件(*.*)|*.*";
            if (sdf1.ShowDialog() == DialogResult.OK)
            {
                path = sdf1.FileName;
                camera.GrabImage(path);
                pictureBox1.ImageLocation = path; //并显示在pictureBox1方框中
                pictureBox1.Visible = true;
                camera.Stop();
            }
        }

        private void button4_Click(object sender, EventArgs e)
        {
            Close();
        }