Bitmap Combine Multiple Images

public static System.Drawing.Bitmap CombineBitmap(string[] files)

{

    //read all images into memory

    List<System.Drawing.Bitmap> images = new List<System.Drawing.Bitmap>();

    System.Drawing.Bitmap outcomeImage = null;

    try

    {

        int width = 0;

        int height = 0;

        foreach (string image in files)

        {

            //create a Bitmap from the file and add it to the list

            System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(image);

            //update the size of the final bitmap

            width += bitmap.Width;

            height = bitmap.Height > height ? bitmap.Height : height;

            images.Add(bitmap);

        }

        //create a bitmap to hold the combined image

        outcomeImage = new System.Drawing.Bitmap(width, height);

        //get a graphics object from the image so we can draw on it

        using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(outcomeImage))

        {

            //set background color

            g.Clear(System.Drawing.Color.Black);

            //go through each image and draw it on the final image

            int offset = 0;

            foreach (System.Drawing.Bitmap image in images)

            {

                g.DrawImage(image,

                  new System.Drawing.Rectangle(offset, 0, image.Width, image.Height));

                offset += image.Width;

            }

        }

        return outcomeImage;

    }

    catch (Exception ex)

    {

        if (outcomeImage != null)

            outcomeImage.Dispose();

        throw ex;

    }

    finally

    {

        //clean up memory

        foreach (System.Drawing.Bitmap image in images)

        {

            image.Dispose();

        }

    }

}