FastStone Photo Resizer (install) 4.3.1

$ErrorActionPreference = 'Stop'; # stop on all errors
$packageArgs = @{
  packageName   = $env:ChocolateyPackageName
  softwareName  = 'FsResizer.install*'  #part or all of the Display Name as you see it in Programs and Features. It should be enough to be unique
  fileType      = 'EXE' #only one of these: MSI or EXE (ignore MSU for now)
  silentArgs   = '/S'           # NSIS
  validExitCodes= @(0, 3010, 1605, 1614, 1641) # https://msdn.microsoft.com/en-us/library/aa376931(v=vs.85).aspx
}

$uninstalled = $false
# Get-UninstallRegistryKey is new to 0.9.10, if supporting 0.9.9.x and below,
# take a dependency on "chocolatey-core.extension" in your nuspec file.
# This is only a fuzzy search if $softwareName includes '*'. Otherwise it is 
# exact. In the case of versions in key names, we recommend removing the version
# and using '*'.
[array]$key = Get-UninstallRegistryKey -SoftwareName $packageArgs['softwareName']

if ($key.Count -eq 1) {
  $key | % { 
    $packageArgs['file'] = "$($_.UninstallString)" #NOTE: You may need to split this if it contains spaces, see below
    
    if ($packageArgs['fileType'] -eq 'MSI') {
      # The Product Code GUID is all that should be passed for MSI, and very 
      # FIRST, because it comes directly after /x, which is already set in the 
      # Uninstall-ChocolateyPackage msiargs (facepalm).
      $packageArgs['silentArgs'] = "$($_.PSChildName) $($packageArgs['silentArgs'])"
      
      # Don't pass anything for file, it is ignored for msi (facepalm number 2) 
      # Alternatively if you need to pass a path to an msi, determine that and 
      # use it instead of the above in silentArgs, still very first
      $packageArgs['file'] = ''
    } else {
      # NOTES:
      # - You probably will need to sanitize $packageArgs['file'] as it comes from the registry and could be in a variety of fun but unusable formats
      # - Split args from exe in $packageArgs['file'] and pass those args through $packageArgs['silentArgs'] or ignore them
      # - Ensure you don't pass double quotes in $file (aka $packageArgs['file']) - otherwise you will get "Illegal characters in path when you attempt to run this"
      # - Review the code for auto-uninstaller for all of the fun things it does in sanitizing - https://github.com/chocolatey/choco/blob/bfe351b7d10c798014efe4bfbb100b171db25099/src/chocolatey/infrastructure.app/services/AutomaticUninstallerService.cs#L142-L192
    }

    Uninstall-ChocolateyPackage @packageArgs
  }
} elseif ($key.Count -eq 0) {
  Write-Warning "$packageName has already been uninstalled by other means."
} elseif ($key.Count -gt 1) {
  Write-Warning "$($key.Count) matches found!"
  Write-Warning "To prevent accidental data loss, no programs will be uninstalled."
  Write-Warning "Please alert package maintainer the following keys were matched:"
  $key | % {Write-Warning "- $($_.DisplayName)"}
}