Write a byte array to a file in CSharp

using System;//from w  ww. j a  va 2  s . c om
using System.Collections.Generic;
using System.Text;

public class MainClass
{
        public static void Main(){
            WriteFile("test.txt", new byte[]{67,66,68});
        }

        public static int WriteFile(String strFilePath, byte[] bContent)
        {
            System.IO.FileStream fs = new System.IO.FileStream(strFilePath, System.IO.FileMode.Append, System.IO.FileAccess.Write, System.IO.FileShare.ReadWrite);
            System.IO.BinaryWriter bw = new System.IO.BinaryWriter(fs);
            try
            {
                bw.Write(bContent);
            }
            finally
            {
                bw.Close();
                fs.Close();
            }
            return 0;
        }
}