[wix-users] Custom action to backup folder before install

[Wheeler, Blaine (DSHS/DCS)]

Why?  The installer service creates a restore point and also makes a roll-back source so it can recover from a failed or cancelled installation.  At the end of the successful installation the roll-back is deleted.

-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Carlos Sosa
Sent: Monday, October 17, 2016 2:36 PM
To: wix-users at lists.wixtoolset.org
Subject: [wix-users] Custom action to backup folder before install


Hello I need to back up the INSTALLFOLDER before upgrade/install.
I'm using a custom action as follows:

<InstallExecuteSequence>
    <Custom Action="BackupDB" After="InstallInitialize" /> </InstallExecuteSequence>


But I cannot seem to be able to define the custom action appropriately

<Fragment>

   <CustomAction Id='BackupDB'
                 BinaryKey='FooBinary'
                 DllEntry='FooEntryPoint'
                 Execute='immediate'
                 Return='check'>


    <CopyFile Id="SomeId" SourceProperty="SOURCEDIRECTORY"
      DestinationDirectory="INSTALLFOLDER" SourceName="*" />


   </CustomAction>



  </Fragment>


Using Visual Studio 2015 and Wix 3.1
Any help is appreciated.
Regards

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