How to write an image in GIF format

I would like a function that takes in a System.Image object and a file name and will save the Image to the file in GIF format.

void ConvertToGif(System.Image img, string gifFileName)
   // Save img to gifFileName as Gif...

Please take into account transparency

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icestacAuthor Commented:
Those articles were not really helpful.  I have gotten to this point, but the transparency does not work.

string [] images = System.IO.Directory.GetFiles(this.tbDir.Text, "*.png");

foreach (string image in images)
            Image i = Image.FromFile(image);
            string gif = System.IO.Path.ChangeExtension(image, ".gif");
            System.IO.FileStream fs = System.IO.File.Create(gif, 256);
            i.Save(fs, System.Drawing.Imaging.ImageFormat.Gif);
      catch (Exception e2)
            System.Diagnostics.Trace.WriteLine("Unable to convert image: " + e2.ToString());

For the 500 points, I am really just looking for a function that I can copy and paste.
icestacAuthor Commented:
I just ended up finding a thrid party utility to convert the images... pngConverter by Incors
icestacAuthor Commented:
By the way, there is a Microsoft article that gets most of the way there (except it is in grayscale instead of color)

See Q319061
PAQed with points (500) refunded

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