Terraria.Utilities.FileUtilities.Write C# (CSharp) Method

        public static void Write(string path, byte[] data, int length)
        {
            string parentFolderPath = FileUtilities.GetParentFolderPath(path, true);
            if (parentFolderPath != "")
                Directory.CreateDirectory(parentFolderPath);

            using (FileStream fileStream = File.Open(path, FileMode.Create))
                fileStream.Write(data, 0, length);
        }

 public static void WriteAllBytes(string path, byte[] data, bool cloud)
 {
     FileUtilities.Write(path, data, data.Length, cloud);
 }