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- VerProductCompareVersions problem comparing installed version and product version
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‎Jun 06, 2008
07:48 AM
VerProductCompareVersions problem comparing installed version and product version
Hi,
I use IS11 ... and I posted this thread in the InstallShield 11 - Windows Installer Projects but it seems that Installshield 11 forums just don't get the attention anymore even if there are a lot of developers working on that. I don't know if this is used in IS2008 to compare versions.
So please if you encountered or know a solution for the problem below please help.
I use VerProductCompareVersions to compare installed version with product version in my install script project.
My app versions are:
installed: 4.1.4.0063
to install: 4.1.5.0064
The Version value of the application uninstallation registry key for the installed version is: 4010004 (4.01.004 displayed by IFX_INSTALLED_VERSION)
When I VerProductCompareVersions() I get the I already have a newer version installed. Why is that ? Because after I install the newest version in the reg key I have 4010005 (4.01.005 displayed by IFX_INSTALLED_VERSION) isn't this newer than the older version ?
Thanks for your time,
Bianca
I use IS11 ... and I posted this thread in the InstallShield 11 - Windows Installer Projects but it seems that Installshield 11 forums just don't get the attention anymore even if there are a lot of developers working on that. I don't know if this is used in IS2008 to compare versions.
So please if you encountered or know a solution for the problem below please help.
I use VerProductCompareVersions to compare installed version with product version in my install script project.
My app versions are:
installed: 4.1.4.0063
to install: 4.1.5.0064
The Version value of the application uninstallation registry key for the installed version is: 4010004 (4.01.004 displayed by IFX_INSTALLED_VERSION)
When I VerProductCompareVersions() I get the I already have a newer version installed. Why is that ? Because after I install the newest version in the reg key I have 4010005 (4.01.005 displayed by IFX_INSTALLED_VERSION) isn't this newer than the older version ?
Thanks for your time,
Bianca
(2) Replies
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‎Jun 06, 2008
11:26 AM
Not sure if this is a defect/bug with InstallShield, I prefer to use VerCompare function to compare 2 versions. If you can get hold of 2 versions to compare, then make sure each are in format a.b.c.d and use VerCompare to check the versions.
VerCompare(svItem, svItem1, VERSION);
VerCompare(svItem, svItem1, VERSION);
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‎Jun 09, 2008
04:38 AM
Happy Days wrote:
Not sure if this is a defect/bug with InstallShield, I prefer to use VerCompare function to compare 2 versions. If you can get hold of 2 versions to compare, then make sure each are in format a.b.c.d and use VerCompare to check the versions.
VerCompare(svItem, svItem1, VERSION);
Thank you very much for your time and for the solution.
Bianca
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