How to Invoke InstallUtil.exe in WiX Custom Action to Call Your Managed Installer Class

Following sample wxs file demonstrates how to use CustomAction to invoke InstallUtil.exe to run your managed installer class.

<?xml version='1.0'?>
<Wix xmlns='http://schemas.microsoft.com/wix/2003/01/wi'>
   <Product Id='12345678-1234-1234-1234-123456789012' Name='Test Package' Language='1033'
            Version='1.0.0.0' Manufacturer='Microsoft Corporation'>
      <Package Id='12345678-1234-1234-1234-123456789012'
                Description='My first Windows Installer package based on InstallUtil.exe'
                Comments='This is my first attempt at creating a Windows Installer database'
                Manufacturer='Microsoft Corporation' InstallerVersion='200' Compressed='yes' />
 
      <Media Id='1' Cabinet='product.cab' EmbedCab='yes' />
 
      <Directory Id='SourceDir' Name='SourceDir'>
         <Directory Id='ProgramFilesFolder' Name='PFDir'>
            <Directory Id='TestDir' Name='TestDir' LongName='Test Program'>
               <Component Id='MyComponent' Guid='12345678-1234-1234-1234-123456789012'>
                   <File Id='tryInstall' Name="try" LongName='tryInstall.exe' DiskId='1' src='tryInstall.exe' />
               </Component>
            </Directory>
         </Directory>
      </Directory>
 
      <Feature Id='MyFeature' Title='My 1st Feature' Level='1'>
         <ComponentRef Id='MyComponent' />
      </Feature>      

      <InstallExecuteSequence>
         <Custom Action='ManagedInstall' After="InstallFinalize" />
      </InstallExecuteSequence>
 
      <CustomAction Id="ManagedInstall"
            Directory='TestDir'
            ExeCommand='"[WindowsFolder]\Microsoft.NET\Framework\v2.0.50727\installUtil.exe" /LogToConsole=false tryInstall.exe'
            Return='check'>
      </CustomAction>
   </Product>
</Wix>

How to Invoke InstallUtil.exe in WiX Custom Action to Call Your Managed Installer Class

See also