[WiX-users] Using a Property as a parameter in a customAction

[dave_c]

Hi there,

Is the following possible.

I have an installer that as one of the steps allows the user to define the
installation location. I would then like to take this parameter (using
msiGetProperty or whatever) and pass it into a script that I have defined as
a customAction.

    <Feature Id='Complete' 
             Title='Server Configuration' 
             Description='Installs services required for SwapCom' 
             Display='collapse'
             Absent='disallow'
             ConfigurableDirectory='INSTALLDIR' 
             Level='1'>
      <ComponentRef Id='MainExecutable' />
    </Feature>

    <Binary Id="wixca" src="c:\wix_v2_orig\wixca.dll"/>

    <CustomAction Id="InstallSwapCom.Command"
      Property="QtExecCmdLine" Value="&quot;perl&quot;
&quot;[INSTALLDIR]first.pl&quot; install <Want to pass value of INSTALLDIR
as a parameter here>"/>

    <CustomAction Id="InstallSwapCom" 
                  BinaryKey="wixca" 
                  DllEntry="CAQuietExec" 
                  Execute="immediate" 
                  Return="check"/>

    <CustomAction Id="DeinstallSwapCom.Command"
                  Property="QtExecCmdLine" Value="&quot;perl&quot;
&quot;[INSTALLDIR]first.pl&quot; deinstall INSTALLDIR"/>

    <CustomAction Id="DeinstallSwapCom" 
                  BinaryKey="wixca" 
                  DllEntry="CAQuietExec" 
                  Execute="immediate" 
                  Return="ignore"/>

    <InstallExecuteSequence>
      <!-- If not installed, generate the install command and execute it
(after finializing the install) -->
      <Custom Action="InstallSwapCom.Command" After="InstallFinalize">NOT
Installed</Custom>
      <Custom Action="InstallSwapCom" After="InstallSwapCom.Command">NOT
Installed</Custom>

      <!-- If installed, generate the uninstall command and execute it
(before removing any files) -->
      <Custom Action="DeinstallSwapCom.Command"
Before="DeinstallSwapCom">Installed</Custom>
      <Custom Action="DeinstallSwapCom"
Before="RemoveFiles">Installed</Custom>
    </InstallExecuteSequence>
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