private int GetLength(String aOrgStr)
    ...{
        int intLen = aOrgStr.Length;
        int i;
        char[] chars = aOrgStr.ToCharArray();
        for (i = 0; i < chars.Length; i++)
        ...{
            if (System.Convert.ToInt32(chars[i]) > 255)
            ...{
                intLen++;
            }
        }
        return intLen;
    }

    private String MutiSubString(String aOrgStr, int aLength, ref String aAfterStr)
    ...{
        int intLen = aOrgStr.Length;
        int start = 0;
        int end = intLen;
        int single = 0;
        char[] chars = aOrgStr.ToCharArray();
        for (int i = 0; i < chars.Length; i++)
        ...{
            if (System.Convert.ToInt32(chars[i]) > 255)
            ...{
                start += 2;
            }
            else
            ...{
                start += 1;
                single++;
            }
            if (start >= aLength)
            ...{
                if (end % 2 == 0)
                ...{
                    if (single % 2 == 0)
                    ...{
                        end = i + 1;
                    }
                    else
                    ...{
                        end = i;
                    }
                }
                else
                ...{
                    end = i + 1;
                }
                break;
            }
        }
        string temp = aOrgStr.Substring(0, end);
        string temp2 = aOrgStr.Remove(0, end);
        aAfterStr = temp2;
        return temp;
    }