Retrieve program version as it is in Add/Remove Programs??

Eddy Fuchs

Hi folks,

I'm searching on this issue since a couple of days:

How do I programmaticall y retrieve the version of an installed
program? Is there a possibility to retrieve it via the local MSI
database? Or do I have an other chance to get to this information? I
need to retrieve it because I do have to check if an update of my app
is necessary. But therefore I need to know what Version currently is
installed.

It drives me insane, because there is no chance to get this
version-info - besides checking each DLL or assembly for the version,
which is not that kind of reliable...

Does anybody have a glue? Perhaps via MSI?

TIA!
Eddy

Nov 16 '05 #1

Subscribe Reply

3067

Dmitriy Lapshin [C# / .NET MVP]

Hi Eddy,

It's in the registry - but the form is cryptic indeed. Every application and
package installed via MSI has a GUID, and you should know the GUID to
retrieve the information on an application or a package.

Check out the following keys:

HKEY_CURRENT_US ER\Software\Mic rosoft\Installe r\Products
HKEY_LOCAL_MACH INE\SOFTWARE\Mi crosoft\Windows \CurrentVersion \Installer\User Data

--
Sincerely,
Dmitriy Lapshin [C# / .NET MVP]
Bring the power of unit testing to the VS .NET IDE today!
http://www.x-unity.net/teststudio.aspx

"Eddy Fuchs" <ed***@intec-ag.com> wrote in message
news:ba******** *************** ***@posting.goo gle.com...

Hi folks,

I'm searching on this issue since a couple of days:

How do I programmaticall y retrieve the version of an installed
program? Is there a possibility to retrieve it via the local MSI
database? Or do I have an other chance to get to this information? I
need to retrieve it because I do have to check if an update of my app
is necessary. But therefore I need to know what Version currently is
installed.

It drives me insane, because there is no chance to get this
version-info - besides checking each DLL or assembly for the version,
which is not that kind of reliable...

Does anybody have a glue? Perhaps via MSI?

TIA!
Eddy

Nov 16 '05 #2

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