Try out the "Feature and Component State Values" section at the bottom of
this page: http://msdn.microsoft.com/library/aa368012.aspx
You will probably use the $ComponentId=3 for installation, and
$ComponentId=2 for removal. Note that you may get true for $ComponentId=3
during repairs if some keypath in your feature is incorrect, so think about
repair behaviors.
This syntax can be used in conditionals (such as the condition for a custom
action to consume the file(s) in that component).
From: Mike Rerick [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 06, 2008 7:57 AM
To: Blair Murri
Subject: RE: [WiX-users] See if a file is going to be installed
Blair, thanks for the info.
Unfortunately, writing my own DLL isn't an option at this time. I need to be
able to determine the component's state from within Wix, using the available
elements, variables, and standard/custom actions or extensions.
Is there a way to look in the directory where it would be installed to see
if it was installed and set a property?
Mike
-----Original Message-----
From: Blair Murri [mailto:[EMAIL PROTECTED]
Sent: Monday, May 05, 2008 6:45 PM
To: 'Mike Rerick'
Cc: wix-users@lists.sourceforge.net
Subject: RE: [WiX-users] See if a file is going to be installed
You can query what the component that contains that file will do.
http://msdn.microsoft.com/library/aa367858(vs.85).aspx describes the concept
(from the point of view of the log) and the API to use in your custom action
would likely be MsiGetComponentState (look primarily at the piAction
parameter). See the code in the WiX custom action library around that API to
better understand its usage and the relationship between the piInstalled and
piAction parameters, and what that relationship means during install,
repair, upgrade, and removal.
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Mike Rerick
Sent: Monday, May 05, 2008 4:30 PM
To: wix-users@lists.sourceforge.net
Subject: [WiX-users] See if a file is going to be installed
Hi all.
I have looked all over and can't seem to find an answer to my question.
I need to be able to determine if a file is going to be installed on a
user's computer. The file may or may not exist in the set of install files.
If the file exists, then I need to make sure that it gets executed (it is an
SQL script file).
How do I determine if the file exists in the set of files that will be
installed?
Thanks in advance.
Mike Rerick
Sr. Software Engineer - Professional Services
<blocked::http://www.iwsinc.com/>
9200 S.E. Sunnybrook Blvd., Suite 170
Clackamas, OR 97015
Phone: (503) 353-8068 Fax: (503) 353-8065
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