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\->Source Code->Commands->JsCaSetup

The "JsCaSetup" Command

This command is used to schedule a preexisting JSCRIPT custom action (its already in the "Binary" table). It also sets up the "Action Text" which gets displayed in the progress bar even if your script does not update the bar itself.

You would normally create the script with "JsCa" but this is not required.

If you have an existing Windows Scripting Host (WSH) script which you want to use, use the "ExeCa" command to invoke "WSCRIPT.EXE". All parameters will typically be passed on the command line and no logging will take, in my mind good reasons why this should be avoided at nearly all costs. I recommend rewriting to use the "JsCa" command instead.

This command takes these parameters:

EXAMPLE - Simple INLINE (type 37 CA)

<$JsCa Binary="!SimpleJS">
     var InstallDir = Session.Property("INSTALLDIR");
     InstallDir = InstallDir.slice(0, -1);              ;;Remove last character (\) from the path
     Session.Property("DIR_NO_SLASH") = InstallDir      ;;You will see this action logged in any verbose log
<$/JsCa>
<$JsCaSetup Binary="!SimpleJS" Seq="CostFinalize-" SeqTable="InstallExecuteSequence" CONDITION=^<$CONDITION_INSTALL_ONLY>^>

EXAMPLE - Binary

;--- Create a JSCRIPT and add to the binary table ---------------------------
<$JsCa Binary="SimpleCa.js">
    var some = 1

    <$JsCaEntry "Install">
    {
        try
        {
            CaMsgBox("E", "test of the error box")
        }
        catch(e)
        {
            CaDebug(0, "Install_1 function: trapped")
        }
    }
    <$/JsCaEntry>

    <$JsCaEntry "UnInstall">
        UserFunction("Uninstalling...")
    <$/JsCaEntry>

   //==========================
   function UserFunction(Text)
   //==========================
   {
       CaDebug(0, "Doing something...")
       CaMsgBox("I", Text)
       CaDebug(0, "Finished doing something...")
   }
<$/JsCa>

;--- Call the above script during install and uninstall ---------------------
<$JsCaSetup Binary="SimpleCa.js" Entry="Install"    Deferred=Y Seq="InstallFiles-" CONDITION=^<$CONDITION_INSTALL_ONLY>^>
<$JsCaSetup Binary="SimpleCa.js" Entry="UnInstall"  Deferred=Y Seq="InstallFiles-" CONDITION=^<$CONDITION_UNINSTALL_ONLY>^>


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Friday October 13 2017 at 2:08pm
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Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.