IUpgradeCode
This interface is meant to edit the the “Upgrade Code” for specific languages present in the project.
Declaration
IUpgradeCode: IDispatch
Properties
String UpgradeCode
Sets or gets the upgrade code.
String InstallOrder
Specifies the sequence in which the upgrade
process occurs. Possible values:
- "UninstallThenInstall" – Removes the old version completely before installing the new one.
- "UninstallRebootThenInstall" – Uninstalls the old version, reboots the system, then installs the new one.
- "InstallThenUninstall" – Installs the new version first, then removes the old one. If the removal fails, the entire upgrade is rolled back.
Bool UseOriginalInstallPath
Determines whether the upgrade
should use the original installation path.
- true – The new version is installed in the same folder as the old one.
- false – The upgrade uses the default application folder defined in the installer settings, ignoring the original path.
String VersionInstallBehavior
Defines how different product
versions are handled during installation. Possible values:
- AutoUpgradeOldProdVersion – Automatically upgrades older product versions.
- SideBySideInstallProd – Allows multiple versions of the application to be installed simultaneously on the same system.
Methods
GenerateUpgradeCode() returns UpgradeCode
Updates the upgrade code with a
generated value for upgrade code and returns the new value.
Example
$projPath = "C:\projtest.aip" advinst.exe /REGSERVER $advinst = new-object -comObject "AdvancedInstaller" $proj = $advinst.CreateProject($advinst.ProjectTypes.Architect) $proj.productDetails.UpgradeCode $proj.productDetails.UpgradeCode.VersionInstallBehavior = "SideBySideInstallProd" $proj.productDetails.UpgradeCode.InstallOrder = "UninstallRebootThenInstall" $proj.SaveAs($projPath)