Skip Items in CArchive

Hi,
I have a serialized file and serialized 257244 strings in this file.I want to read string by index(i.e. Index 100 = "add"). I had a file with 200,000 integers and can read indexes by skip 4 bytes for each index(each Integer). I can skip and read Index 1000 with below code:

        int iSkip = (1000 - 1) * 4;
        TCHAR* sLoad = new TCHAR[iSkip];
        archive.Read(sLoad, iSkip);
        free(sLoad);
        sLoad = NULL;
        delete sLoad;
        int iNum;
        archive >> iNum;

if we use sizeof() in runtime we get 4 bytes for int and 4 bytes for string but I can't read string by skipping 4 bytes for each index.I fill the string with thousand characters and I use sizeof() in runtime and sizeof() return 4 bytes.I want to know how can I skip items or strings in CArchive ?


I Ask(GOOGLE) from doctor for non-microsoft written archives and I found CArchiveEx for compressing serialized archives and set password for archives. I Read documents of codejock but I can not found a CArchive Extended class.CodeJock Extended CArchive class or not  ?

Please Help Me,
Thanks in Advance,

Hi znakeeye,
Thanks in advance,
I test it but don't work,
My first strings are

1080
12-step

when I skip 4 bytes and Carchive >> a string my string is empty and can't read 12-step !!!!

Thanks znakeeye again for your help,

Hi,
Thanks Oleg, I need a portable database. when I use Microsoft Access My Strings size is 90MB and when I export rows in text file My .txt file size is 50MB and when I compress it with WinRAR with Normal Compression in ZIP My Strings size is 10MB.now I need a portable database with compression feature and/or Encryption.If you(Oleg(the king of CodeJock)) have any Idea please tell me.

Thanks from Oleg and znakeeye for responses to My Question.

My work is URGENT.If you have any Idea(PLEASE) tell me.

Thanks in Advance,
Best Regards.

Hi,

oleg wrote: You can't skip simple CStrings.

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Thaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaanks,
Best Regards,