Detecting .NET framework presence

[Guest]

I know this is an old question, but I'm looking for a better answer.

We want our install to warn the user if the .NET framework isn't installed,
but I don't want to be version dependent unless we must. If we build using
the .NET 1.1 will it work with the next generation framework, or are we
forced to make our install picky about the framework version?

 

[Eiríkur Fannar Torfason]

Assuming you're using windows installer 2.0, you can check the
MsiNetAssemblySupport property. It will give you the version number of the
..NET framework installed on the computer. If the .NET framework is not
present, it will be empty.

http://msdn.microsoft.com/library/d.../msi/setup/msinetassemblysupport_property.asp