Function Test-WithCulture {

[cmdletbinding(DefaultParameterSetName = "scriptblock")]

Param (

[Parameter(Position = 0, Mandatory, HelpMessage = "Enter a new culture like de-de")]

[ValidateNotNullOrEmpty()]

[System.Globalization.CultureInfo]$Culture,

[Parameter(Position = 1,ParameterSetName = "scriptblock", Mandatory, HelpMessage = "Enter a scriptblock to execute using the specified culture")]

[ValidateNotNullorEmpty()]

[scriptblock]$Scriptblock,

[Parameter(ParameterSetName = "file", Mandatory, HelpMessage = "Enter the path to a PowerShell script file to execute using the specified culture")]

[ValidateNotNullorEmpty()]

[ValidatePattern('\.ps1$')]

[ValidateScript( {

if (Test-Path $_ ) {

$True

}

else {

throw "Failed to find the file $_."

$false

}

})]

[scriptblock]$FilePath,

[Parameter(HelpMessage = "Specify an array of positional arguments to pass to the scriptblock for file.")]

[object[]]$ArgumentList

)

Write-Verbose "Starting $($myinvocation.mycommand)"

Write-Verbose "Testing with culture-language $culture. [$($culture.DisplayName)]"

Write-Verbose "Saving current culture values"

#save current culture values

$OldCulture = $PSCulture

$OldUICulture = $PSUICulture

Write-Verbose "Setting the new culture"

[System.Threading.Thread]::CurrentThread.CurrentCulture = $culture

[System.Threading.Thread]::CurrentThread.CurrentUICulture = $culture

#update PSBoundparameters which will be splatted to Invoke-Command

[void]$PSBoundParameters.remove("Culture")

[void]$PSBoundParameters.add("ErrorAction", "stop")

Try {

#run the command

if ($PSCmdlet.ParameterSetName -eq "scriptblock") {

Write-Verbose "Testing $scriptblock"

}

else {

Write-Verbose "Invoking file $Filepath"

}

Invoke-command @PSBoundParameters

}

Catch {

Write-Warning "There was a problem. $($_.exception.message)"

}

Finally {

Write-Verbose "Restoring original settings"

#roll culture settings back - erring on the side of caution.

[System.Threading.Thread]::CurrentThread.CurrentCulture = $OldCulture

[System.Threading.Thread]::CurrentThread.CurrentUICulture = $OldUICulture

}

Write-Verbose "Ending $($myinvocation.mycommand)"

} #end function

Register-ArgumentCompleter -CommandName Test-WithCulture -ParameterName Culture -ScriptBlock {

param($commandName, $parameterName, $wordToComplete, $commandAst, $fakeBoundParameter)

$culthash = @{ }

[System.Globalization.CultureInfo]::GetCultures("AllCulture") |

Foreach-object { $culthash.add($_.name, $_.displayname)}

($culthash.getenumerator()).where( { $_.key -match "^$wordToComplete" }) |

ForEach-Object {

[System.Management.Automation.CompletionResult]::new($_.name, $_.name, 'ParameterValue', $_.value)

}

}