C# Image to Byte Array and Byte Array to Image Converter Class

public Image byteArrayToImage(byte[] byteArrayIn)

{

    MemoryStream ms = new MemoryStream(byteArrayIn);

    Image returnImage = Image.FromStream(ms);

    return returnImage;

}

Image to Byte Array and Byte Array to Image Converter Class

public byte[] imageToByteArray(System.Drawing.Image imageIn)

{

    MemoryStream ms = new MemoryStream();

    imageIn.Save(ms,System.Drawing.Imaging.ImageFormat.Gif);

    return ms.ToArray();

}

Get associated icon from file

public enum IconSize

{

    Small,

    Large

}

public class IconExtractor

{

    private const uint SHGFI_ICON = 0x100;

    private const uint SHGFI_LARGEICON = 0x0;

    private const uint SHGFI_SMALLICON = 0x1;

    [StructLayout(LayoutKind.Sequential)]

    private struct SHFILEINFO

    {

        public IntPtr hIcon;

        public IntPtr iIcon;

        public uint dwAttributes;

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]

        public string szDisplayName;

        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]

        public string szTypeName;

    };

    [DllImport("shell32.dll")]

    private static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);

    public IconExtractor()

    {

    }

    public System.Drawing.Icon Extract(string File, IconSize Size)

    {

        IntPtr hIcon;

        SHFILEINFO shinfo = new SHFILEINFO();

        if (Size == IconSize.Large)

        {

            hIcon = SHGetFileInfo(File, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), SHGFI_ICON | SHGFI_LARGEICON);

        }

        else

        {

            hIcon = SHGetFileInfo(File, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), SHGFI_ICON | SHGFI_SMALLICON);

        }

        return System.Drawing.Icon.FromHandle(shinfo.hIcon);

    }

    public System.Drawing.Icon Extract(string File)

    {

        return this.Extract(File, IconSize.Small);

    }

}

GET COMPUTER NAME

public List GetComputersOnNetwork()

{

    List list = new List();

    using (DirectoryEntry root = new DirectoryEntry("WinNT:"))

    {

        foreach (DirectoryEntry computers in root.Children)

        {

            foreach (DirectoryEntry computer in computers.Children)

            {

                if ((computer.Name != "Schema"))

                {

                    list.Add(computer.Name);

                    comboBox1.Items.Add(computer.Name );

                }

            }

        }

    }

    return list;

}