save image from picturebox in stream format

Question

i wanna save a picture that loaded in a picturebox to stream .when i save in png format it work properly but when i want save it in other formats i get

Answer 1

Try this method:

public Stream ImageToStream(Image image, System.Drawing.Imaging.ImageFormat format)
{
    MemoryStream ms = new MemoryStream();
    image.Save(ms, format);
    return  ms;
}

and use it:

using(Stream stream = ImageToStream(pictureBox1.Image, 
                           System.Drawing.Imaging.ImageFormat.Gif))
{
    ...
}