System.Diagnostics.Process.EnvironmentVariablesToByteArray C# (CSharp) Method

        private static byte[] EnvironmentVariablesToByteArray(Dictionary<string, string> sd)
        {
            // get the keys
            string[] keys = new string[sd.Count];
            byte[] envBlock = null;
            sd.Keys.CopyTo(keys, 0);

            // sort both by the keys
            // Windows 2000 requires the environment block to be sorted by the key
            // It will first converting the case the strings and do ordinal comparison.

            // We do not use Array.Sort(keys, values, IComparer) since it is only supported
            // in System.Runtime contract from 4.20.0.0 and Test.Net depends on System.Runtime 4.0.10.0
            // we workaround this by sorting only the keys and then lookup the values form the keys.
            Array.Sort(keys, StringComparer.OrdinalIgnoreCase);

            // create a list of null terminated "key=val" strings
            StringBuilder stringBuff = new StringBuilder();
            for (int i = 0; i < sd.Count; ++i)
            {
                stringBuff.Append(keys[i]);
                stringBuff.Append('=');
                stringBuff.Append(sd[keys[i]]);
                stringBuff.Append('\0');
            }
            // an extra null at the end indicates end of list.
            stringBuff.Append('\0');
            envBlock = Encoding.Unicode.GetBytes(stringBuff.ToString());
            return envBlock;
        }
    }