public static void DWord2Byte(byte[] to, int toIndex, long from) {

public static void DWord2Byte(byte[] to, int toIndex, long from) {

   to[toIndex] = (byte) (from >> 24);

   to[toIndex + 1] = (byte) (from >> 16);

   to[toIndex + 2] = (byte) (from >> 8);

   to[toIndex + 3] = (byte) (from);

  }