try 
{
    # see https://stackoverflow.com/questions/9948517/how-to-stop-a-powershell-script-on-the-first-error
    $ErrorActionPreference = "Stop"

    Add-Type -A System.IO.Compression.FileSystem


    # Write-Host ('OS Tmp Dir: ' + $env:TEMP )

    # create tmo dir
    $tmpDir = $env:TEMP + 	[guid]::NewGuid()
    Write-Host ('Use tmp-dir: ' + $tmpDir)

    New-Item -ItemType Directory -Force -Path  $tmpDir


    # copy Sample App source code files to tmp dir
    Copy-Item $($PSScriptRoot + "\*.cs") -Destination $tmpDir
    Copy-Item $($PSScriptRoot + "\*.config") -Destination $tmpDir
    Copy-Item $($PSScriptRoot + "\*.csproj") -Destination $tmpDir
    Copy-Item $($PSScriptRoot + "\*.sln") -Destination $tmpDir
    Copy-Item $($PSScriptRoot + "\*.txt") -Destination $tmpDir
    Copy-Item $($PSScriptRoot + "\Properties") -Destination $tmpDir -Recurse

    # copy Automation Interface docu to tmp dir
	# -> PDF is currently not included into ZIP file
    # $aiDocuFileName = Resolve-Path -Path $($PSScriptRoot + "\..\..\Production\Automation\AutomationInterface\Doc\AutomationInterfaceManual.pdf")
    # Write-Host ('aiDocuFileName : ' + $aiDocuFileName )
    # Copy-Item $aiDocuFileName -Destination $tmpDir

    
    # create zip file
    $zipFileName = $PSScriptRoot + "\SampleApp.zip"
    Write-Host ('zipFileName: ' + $zipFileName )

    if (Test-Path $zipFileName) 
    {
        Write-Host("Delete already available .zip file...")
        Remove-Item -Recurse -Force $zipFileName
    }

    # ...and create it
    [IO.Compression.ZipFile]::CreateFromDirectory($tmpDir, $zipFileName)

    # delete temp directory 
    Write-Host ('Del tmp folder : ' + $tmpDir )
    Remove-Item -Recurse -Force $tmpDir


    Write-Host('')
    Write-Host('')
    Write-Host('##############################################################################')
    Write-Host('Successfully created Sample Application .zip file: ' + $zipFileName)
    Write-Host('##############################################################################')

	exit $LASTEXITCODE
}
catch 
{
    Write-Error('ERROR: ' + $_.Exception)
	exit $LASTEXITCODE
}