VerProductGetInstalledVersion
InstallShield 2008 ยป InstallScript Language Reference
Project
This information applies to InstallScript projects.
The VerProductGetInstalledVersion function returns in svVersionInstalled the string equivalent of the data in the Version value of the application uninstallation registry key if that data is a packed DWORD.
Syntax
VerProductGetInstalledVersion ( svVersionInstalled );
Parameters
VerProductGetInstalledVersion Parameters
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Parameter
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Description
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svVersionInstalled
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Returns the string equivalent of the data in the application uninstallation registry key's Version value. If the function fails, the value of svVersionInstalled is not changed.
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Return Values
VerProductGetInstalledVersion Return Values
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Return Value
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Description
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>= ISERR_SUCCESS
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The function successfully retrieved the installed version information.
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< ISERR_SUCCESS
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The function failed to retrieve the installed version information; the registry key or value does not exist or the data is not a packed DWORD.
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