[wix-users] [EXTERNAL] - Executing a batch script using custom action before File Copy/Install Files - Help Needed

Kathiresan Ramasamy Selvaraj kathiresan.selvaraj at toshiba-tsip.com
Thu Jul 6 07:58:42 PDT 2017


Thanks Lewis for the useful details and pointers :-)

Will implement the solution as suggested.

Thanks,
Kathir

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Lewis Henderson
Sent: Thursday, July 06, 2017 8:03 PM
To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
Subject: Re: [wix-users] [EXTERNAL] - Executing a batch script using custom
action before File Copy/Install Files - Help Needed

Hi Kathir,

I had a similar requirement - I needed to use batch scripts to interact with
an already-installed utility to perform validation prior to InstallExecure.
I added the batch files as Binary table entries, then passed those Id's to a
couple of custom actions (mine were C instead of C#), one was immediate
execution and the other was deferred.  I can't post my CA code, but you
should be able to find the information you need using a google search for
"batch files in wix".  The essence is to extract the binary from the
installer using MsiOpenDatabase|MsiGetActiveDatabase, MsiDatabaseOpenView
(using the Binary ID in the query), MsiViewExecute, and MsiViewFetch, then
create a local copy of the batch file on disk using MsiRecordReadStream to
populate it, then you can execute the batch script via CreateProcess, or
even something as simple as system().  Then of course you'd do your cleanup.
For the Immediate CA, I passed the Binary ID and parameters using fixed WiX
properties (set in a 
 Dialog) and for the deferred CA I used a semicolon delimited string in the
CA Data.  For my case, I created the two CA's that only parsed the
parameters using the proper methodology, then they both called a common
subroutine to perform the binary extraction and execution.

I hope this helps.

				Lewis

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of
Kathiresan Ramasamy Selvaraj
Sent: Thursday, July 6, 2017 7:38 AM
To: wix-users at lists.wixtoolset.org
Subject: [EXTERNAL] - [wix-users] Executing a batch script using custom
action before File Copy/Install Files - Help Needed

Hello All,

 

   I am new to WiX Toolset.

   

   I have a requirement to execute a batch script( there are scripts used
for some custom pre-requisite check) before the File Copy/ Install Files,

   Is there a mean to add the batch script as binary and execute using a  C#
Custom Action? 

 

   Please let me know is there a solution to address this requirement.

   Kindly help me in this regard.

 

Thanks,

Kathir

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