[RESOLVED] picturebox1 image to disk

hi,
how to save picture box image to disk?

popskie

Like this :
this.pictureBox1.Image.Save("path_here")

Look also for the other overloaded functions of Save method where you can specify quality and format ...etc.

ok thanks a lot. also have another question Pirate Picturebox image convert to byte?

hehe tell me why you want to do that first, so I can tell you the best way to do it:D
I had to do the same for a very odd task;)

hi,
Iwant my picturebox image save to sql server.

Quote:

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Originally Posted by popskie

hi,
Iwant my picturebox image save to sql server.

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umm I have no sql experience, so there might be a better way. I wrote this for you, it should work fine

I don't know of a more efficient way to convert an image to bytes, maybe someone else would comment (you could read the image pixels, byte by byte but that's a hassle)

Code:

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// you need to do error handling
                // (ie you could get a OutOfMemoryException if there
                // isn't enough memory to create that byte buffer)
                //
                // you'd need these two namespaces:
                //                using System.IO;
                //                using System.Drawing.Imaging;
                private byte[] imageToBytes (Image img)
                {
                        if (img==null)
                                return null;

                        byte[] buffer;
                        MemoryStream ms = new MemoryStream();
                        // Save as jpeg
                        img.Save(ms, ImageFormat.Jpeg);
                        ms.Position = 0;
                       
                        // will work fine UNLESS your image file is
                        // around 2GB or more in size hehe:-D
                        int length = (int)ms.Length;
                        buffer = new byte[length];
                        ms.Write(buffer,0, length);                       
                        ms.Close();

                        return buffer;                       
                }

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ok thank u very much.