Save Byte Array To File in CSharp

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using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Windows.Forms;

namespace WOSI.Utilities
{
    public class FileUtils
    {
        public static void SaveBytesToFile(string filename, byte[] bytesToWrite)
        {
            if (filename != null && filename.Length > 0 && bytesToWrite != null)
            {
                if (!Directory.Exists(Path.GetDirectoryName(filename)))
                    Directory.CreateDirectory(Path.GetDirectoryName(filename));

                FileStream file = File.Create(filename);

                file.Write(bytesToWrite, 0, bytesToWrite.Length);

                file.Close();
            }
        }
    }
}