تکرار کردم:

=============================


pictureBox2.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
byte[] arraypic = ms.GetBuffer();



با این:


using (Bitmap tempImage = new Bitmap(pictureBox2.Image))
{
tempImage.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
}
byte[] arraypic = ms.GetBuffer();



با تشکر