Hello,
I'm running into a problem trying to find on the installer wizard dialogs (let's say on WelcomeDlg) if the current installation is for a new instance or if it's for and existing instance upgrade. Is there any property or a more complex way to know which case I'm handling after selecting a choice on the MultipleInstanceDlg?
Thank you in advance
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Re: Multiple instances - How to know if it's an upgrade or a new instance installation?
Hello and welcome to Advanced Installer forums,
First of all, please accept my apologies for the delayed reply.
In what regards your question, I think that you can make use of the OLDPRODUCTS property.
The OLDPRODUCTS property represents a list with the Product Codes of the older versions of your installation package. This property is set only in a package which upgrades another package.
Hope this helps.
Best regards,
Catalin
First of all, please accept my apologies for the delayed reply.
In what regards your question, I think that you can make use of the OLDPRODUCTS property.
The OLDPRODUCTS property represents a list with the Product Codes of the older versions of your installation package. This property is set only in a package which upgrades another package.
Hope this helps.
Best regards,
Catalin