Instancing is a feature of MSI covered in the Windows Installer SDK. WiX v3
does add fairly simple support to build embedded instance transforms for
known instances. See the documentation for the InstanceTransforms element.
This and child Instance elements allow you to define unique property values
as well.
Patching these instances means building patches against each instanced
ProductCode. Or you can also produce a patch where the Validation element
does not target the ProductCode (by default it does).
On Fri, Jul 3, 2009 at 9:05 AM, Carl Caulkett
carl.caulk...@amxeurope.comwrote:
Hello,
Does anyone know of a way to create an installation using WiX where the
user can specify a particular instance for the installation and for this
to be controlled at the WiX level rather than delving down into the
murky depths of MSI?
In other words supposing we have an installer which installs application
A, can the user run the installer and specify that she wants to
install instance A1 in a particular folder, and then later come along
and run the installer again, this time specifying the installation of
instance A2 in a different folder, with the result that there are two
separate installations of the A application, one instance called A1,
the other called A2, and, crucially, separate entries in the
Add/Remove Programs list.
We have a solution at the moment but it is a hybrid approach with a
Delphi written front end which gathers the installation details and then
passes them as parameters to a WiX written MSI and uses MSI Transforms
to achieve the multiple instances! It works quite well, but we would
like a purely WiX solution going forward.
Thanks in advance,
Carl
Carl Caulkett - Developer, Inspired Signage Group
AMX http://www.amx.com/ - 6th Floor, Salisbury House, London Wall,
London, EC2M 5QQ
Main Office +44 (0) 1904 343 100
carl.caulk...@amxeurope.com mailto:carl.caulk...@amxuk.co.uk
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