[windev] MFC file version checking

[OMostovlyansky@iba.by]

Hallo,

>because it failed for 9.2.0.0 when comparing against 9.1.0.3

of course, because 0 is lower as 3 - here:

>fvi.GetFileVersion(0) >=3D 3

Your old method was not safe in such cases :)

New method seems like more safe... but only if every part of version is
<=3D9. Example:

9.10.0.0 will be greather as 10.0.0.0 (10 000 is < 91 000)

Maybe, common way is something like

if (fvi.GetFileVersion(3) <=3D [oldVersion(3)]) {
    if (fvi.GetFileVersion(2) <=3D [oldVersion(2)]) {
        ...etc. with fvi.GetFileVersion(1) and (0)
    } else bLastVersion =3D TRUE;
} else bLastVersion =3D TRUE;

Mit freundlichen Gr=FC=DFen,
     Oleg A.Mostovlyansky
---------------------------------
IBA (Minsk, Belarus)
Tel: +375 17 217 3228
Mail: OMostovlyansky at iba.by


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             16.09.2009 22:28          [windev] MFC file version checking  =

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Hi

                CString strVersion;
                strVersion.Format(_T("%d%d%d%d"),
                    fvi.GetFileVersion(3),
                    fvi.GetFileVersion(2),
                    fvi.GetFileVersion(1),
                    fvi.GetFileVersion(0));
                int    iVersion =3D _ttoi(strVersion);
                if (iVersion >=3D 9103)
                {
                    m_bIsTMSExplorerInstalled =3D TRUE;
                }
/*
                if(fvi.GetFileVersion(3) >=3D 9 &&
                    fvi.GetFileVersion(2) >=3D 1 &&
                    fvi.GetFileVersion(1) >=3D 0 &&
                    fvi.GetFileVersion(0) >=3D 3)
                {
                    m_bIsTMSExplorerInstalled =3D TRUE;
                }
*/            }



I am trying to find a simple, robust way to check file versions. I can get
at the file version but I am not sure of the safest way to compare it
against a known value. My old method was flawed because it failed for
9.2.0.0 when comparing against 9.1.0.3

Andrew
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