public void Serializable()
        {
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
               
                saveFileDialog1.Filter = "xml文件(*.xml)|*.xml";
                string name = saveFileDialog1.FileName;
                byte[] value = File.ReadAllBytes(openFileDialog1.FileName);
                Serializable s = new Serializable(name,value)//序列化
                {
                    Name = saveFileDialog1.FileName,
                    Value = File.ReadAllBytes(saveFileDialog1.FileName)

                };
                XmlSerializer ser = new XmlSerializer(typeof(Serializable));
                FileStream fs =new FileStream(saveFileDialog1.FileName,FileMode.Create);
                ser.Serialize(fs, s);
                fs.Close();
            }
        }
        public void DeSerializable()
        {
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                XmlSerializer ser = new XmlSerializer(typeof(Serializable));
                Serializable s = (Serializable)ser.Deserialize(new FileStream(openFileDialog1.FileName, FileMode.Open));
                //FileStream fs = new FileStream(openFileDialog1.FileName, FileMode.Open);

                this.pictureBox1.Image = Image.FromStream(new MemoryStream(s.Value));


            }
        }
序列化可以把值写进去，反序列怎么不能打开 求大侠帮帮。。。或者有新的方法也可以说下 谢谢

你这是用的XML序列化方式。
尝试一下二进制序列化方式～

尝试一下楼上意见！