> Is it any way to find out project GUID (UpgradeCode) if I know ProductId.
Yes there is. Have a look at
Checking the upgrade code of the installed product most likely is possible (e.g. with
Normally you never ever need to know UpgradeCode. It only plays any role during an upgrade and it is an operation that a developer never implements directly but relies on MSI Minor/Mojor upgrade process. Something tells me that you may be investing into something that is already dome by MSI. Have a look at MajorUpgrade Wix# samples. The documentation (wiki) also describes the topic.
Yes there is. Have a look at
Project properties. You will find that it has UpgradeCode.Checking the upgrade code of the installed product most likely is possible (e.g. with
MsiGetProductInfo). Though not sure what exactly is involved. Normally you never ever need to know UpgradeCode. It only plays any role during an upgrade and it is an operation that a developer never implements directly but relies on MSI Minor/Mojor upgrade process. Something tells me that you may be investing into something that is already dome by MSI. Have a look at MajorUpgrade Wix# samples. The documentation (wiki) also describes the topic.