C# IMAGE COVERT

Convert Image File into Byte Array in C#

public static byte[] ImageToByteArrayFromFilePath(string imagefilePath)
    {
        byte[] imageArray = File.ReadAllBytes(imagefilePath);
        return imageArray;
    }

Convert Image to Byte Array in C# using ImageConverter

public static byte[] ImageToByteArray(string imagefilePath)
{
    System.Drawing.Image image = System.Drawing.Image.FromFile(imagefilePath);
    byte[] imageByte = ImageToByteArraybyImageConverter(image);
    return imageByte;
}

private static byte[] ImageToByteArraybyImageConverter(System.Drawing.Image image)
{
    ImageConverter imageConverter = new ImageConverter();
    byte[] imageByte = (byte[])imageConverter.ConvertTo(image, typeof(byte[]));
    return imageByte;
}

Convert Image to Byte Array in C# using MemoryStream

public static byte[] ImageToByteArray(string imagefilePath)
{
    System.Drawing.Image image = System.Drawing.Image.FromFile(imagefilePath);
    byte[] imageByte = ImageToByteArraybyMemoryStream(image);
    return imageByte;
}

private static byte[] ImageToByteArraybyMemoryStream(Image image)
{
    MemoryStream ms = new MemoryStream();
    image.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
    return ms.ToArray();
}

WINDOWS FORM CODE
======================================================
   // Image Retrive from Folder & Set in PicureBox
        public void GetFilefromDirectory()
        {
          string ss=  AppDomain.CurrentDomain.BaseDirectory;
            string[] filePaths = Directory.GetFiles(ss, "*.jpg", SearchOption.AllDirectories);
            if (filePaths.Length > 0)
            {
                pictureBox1.Image = Image.FromFile(filePaths[0].ToString());
            }
        }


        // Image save in location
        public void ImageSaveOnPath()
        {
            //string FilePath = Application.StartupPath + "\\Images\\test2.jpg";
            //pictureBox1.Image.Save(FilePath, ImageFormat.Jpeg);
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Filter = "Images|*.png;*.bmp;*.jpg";
            ImageFormat format = ImageFormat.Png;
            if (sfd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                string ext = System.IO.Path.GetExtension(sfd.FileName);
                switch (ext)
                {
                    case ".jpg":
                        format = ImageFormat.Jpeg;
                        break;
                    case ".bmp":
                        format = ImageFormat.Bmp;
                        break;
                }
                pictureBox1.Image.Save(sfd.FileName, format);
            }
        }


        public void ResizeImagesInFolder(string SourceFolder,  string DestinationFolder, int NewImageSize)
        {
            // Check if source folder exists and throw exception if not
            if (!Directory.Exists(SourceFolder))
                throw new Exception("SourceFolder does not exist");

            // Check if destination folder exists, but create it if not
            if (!Directory.Exists(DestinationFolder))
            {
                Directory.CreateDirectory(DestinationFolder);
            }

            // List all images from source directory
            DirectoryInfo diImages = new DirectoryInfo(SourceFolder);
            ArrayList alImages = new ArrayList();
            // GetFiles method doesn't allow us to filter for multiple
            // file extensions, so we must find images in four steps
            // Feel free to add new or remove existing extension to
            // suit your needs
            alImages.AddRange(diImages.GetFiles("*.gif"));
            alImages.AddRange(diImages.GetFiles("*.jpg"));
            alImages.AddRange(diImages.GetFiles("*.bmp"));
            alImages.AddRange(diImages.GetFiles("*.png"));

            Image imgOriginal;
            float OriginalHeight;
            float OriginalWidth;
            int NewWidth;
            int NewHeight;
            Bitmap ResizedBitmap;
            Graphics ResizedImage;

            // Resize every image
            foreach (FileInfo fiImage in alImages)
            {
                // Loads original image from source folder
                imgOriginal = Image.FromFile(fiImage.FullName);
                // Finds height and width of original image
                OriginalHeight = imgOriginal.Height;
                OriginalWidth = imgOriginal.Width;
                // Finds height and width of resized image
                if (OriginalHeight > OriginalWidth)
                {
                    NewHeight = NewImageSize;
                    NewWidth = (int)((OriginalWidth / OriginalHeight) * (float)NewImageSize);
                }
                else
                {
                    NewWidth = NewImageSize;
                    NewHeight = (int)((OriginalHeight / OriginalWidth) * (float)NewImageSize);
                }
                // Create new bitmap that will be used for resized image
                ResizedBitmap = new Bitmap(NewWidth, NewHeight);
                ResizedImage = Graphics.FromImage(ResizedBitmap);
                // Resized image will have best possible quality
                ResizedImage.InterpolationMode = InterpolationMode.HighQualityBicubic;
                ResizedImage.CompositingQuality = CompositingQuality.HighQuality;
                ResizedImage.SmoothingMode = SmoothingMode.HighQuality;
                // Draw resized image
                ResizedImage.DrawImage(imgOriginal, 0, 0, NewWidth, NewHeight);
                // Save thumbnail to file
                ResizedBitmap.Save(DestinationFolder + fiImage.Name);

                // It is important to take care of memory, especially in cases
                // when code works with graphics
                imgOriginal.Dispose();
                ResizedBitmap.Dispose();
                ResizedImage.Dispose();
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            GetFilefromDirectory();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            ImageSaveOnPath();
        }