Windows编程中上传图片的C#代码

 

openFileDialog1.Filter = "*.jpg(JPG图片)|*.jpg|*.gif(gif图片)|*.gif";
    if (openFileDialog1.ShowDialog() == DialogResult.OK)
            ...{
                string sourceFileName = openFileDialog1.FileName;
                int nLength = sourceFileName.Length - sourceFileName.LastIndexOf("/") - 1;
                FileName = sourceFileName.Substring(sourceFileName.LastIndexOf("/") + 1, nLength);
                string destFileName = Application.StartupPath + @"pic" + FileName;
                System.IO.File.Copy(sourceFileName, destFileName);
                pictureBox1.Image = Image.FromFile(destFileName);
}