setup should ask for any previous version installed

hi friends

i have a big visual basic application, and now i am dividing the big

application into groups. (module1, module2,module3), which are

standalone.

the thing is, suppose module1 is installed, and now if i try to install

module2...it should ask whether any previous version is installed or not.

and if any present, it should remove the previous version before

installing the new version. (when i package module2).

1) how to achieve the functionality of asking whether a previous version

is existing or not?

2) and if previous version is present, how to delete it ?


any help is appreciated

for:

1) I would recomend on make a regestry key that say the app verstion when loaded for first time. and when the setup loads let it check for the version from the regestry.

2) just use the "kill" function to delete the whole directory

If you use the same exe name, and install into the same folder, only the latest version will exist. It sound like you have separate apps, anyways.

Moved to Application Deployment.