Re: Can't read CString after serialization

From:
"Giovanni Dicanio" <giovanni.dicanio@invalid.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 11 Mar 2008 11:06:34 +0100
Message-ID:
<OgdFd$1gIHA.5280@TK2MSFTNGP02.phx.gbl>
"Giovanni Dicanio" <giovanni.dicanio@invalid.com> ha scritto nel messaggio
news:%23qhkpp1gIHA.4164@TK2MSFTNGP05.phx.gbl...

So, I think you should write a customized version (template
specialization) of SerializeElements for your particular class
CPlanetAspect,


Another approach could be to not call CArchive.Serialize. Instead, you could
do the serialization yourself, implementing a custom serialization something
like this (not tested):

 void SaveToArchive( const CArray<CPlanetData> & data, CArchive & ar )
 {
    ASSERT( ar.IsStoring() );

    // Write number of planets
    int count = data.GetCount();
    ar << count;

    // Write each planet data to archive
    for ( int i = 0; i < count; i++ )
    {
       data.GetAt( i ).Serialize( ar );
    }
 }

Similar for loading (first you read the data count, then set array size, and
load each planet data into it):

 void LoadFromArchive( CArray< CPlanetData > & data, CArchive & ar )
 {
    ASSERT( ar.IsLoading() );

    // Read number of planets
    int count;
    ar >> count;

    // Make room in output array
    data.SetSize( count );

    // Read each planet data from archive
    for ( int i = 0; i < count; i++ )
    {
        data.GetAt(i).Serialize( ar );
    }
 }

Giovanni

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