// 保存图片到 XML 文件 private void Form1_Load( object sender, System.EventArgs e) { Image img = Image.FromFile(@"E:\MyDocs\My Pictures\样品.jpg"); System.IO.MemoryStream stream = new System.IO.MemoryStream(); img.Save(stream, ImageFormat.Jpeg); byte[] b = stream.GetBuffer(); string s = Convert.ToBase64String(b); XmlDocument doc = new XmlDocument(); doc.AppendChild(doc.CreateElement("image")); XmlElement elmtData = doc.CreateElement("data"); elmtData.InnerText = s; doc.DocumentElement.AppendChild(elmtData); doc.Save("test.xml"); } // 从 XML 文件中读取图片信息 private void button1_Click( object sender, System.EventArgs e) { XmlDocument doc = new XmlDocument(); doc.Load("test.xml"); string s = doc.DocumentElement.SelectSingleNode("data").InnerText; byte[] b = Convert.FromBase64String(s); MemoryStream stream = new MemoryStream(b); Bitmap bitmap = new Bitmap(stream); this.pictureBox1.Image = bitmap; }