text: public int ToChars(int[] src, int srcOff, int srcLen, char[] dest, int destOff){if (srcLen < 0){throw new ArgumentException("srcLen must be >= 0");}int written = 0;for (int i = 0; i < srcLen; ++i){written += Character.ToChars(src[srcOff + i], dest, destOff + written);}return written;}