Computer bei disconnecting mit bluetoothgerät herunterfahren

<#
    Monitor Bluetooth device connect/disconnect
#>

# Bluetooth device address to monitor (MAC without colons)
$deviceaddress = 'XXXXXXXXXXXX'  
# monitor interval in seconds
$monitorinterval = 2
# --------------------------------
# Funktion zum Laden von externen nuget assemblies
function Load-NugetAssembly ([string]$url,[string]$name, [string]$zipinternalpath, [switch]$downloadonly) {
    $localpath = @{$true=(join-path $psscriptroot $name);$false=(join-path $env:TEMP $name)}[($psscriptroot -ne '')]  
    $tmp = "$env:TEMP\$([IO.Path]::GetRandomFileName())"  
    try{
        if(!(Test-Path $localpath)){
            Add-Type -A System.IO.Compression.FileSystem
            write-host "Downloading and extracting required library '$name' ... " -F Green -NoNewline  
            (New-Object System.Net.WebClient).DownloadFile($url, $tmp)
            $zip = [System.IO.Compression.ZipFile]::OpenRead($tmp)
            $zip.Entries | ?{$_.Fullname -eq $zipinternalpath} | %{
                [System.IO.Compression.ZipFileExtensions]::ExtractToFile($_,$localpath)
            }
            write-host "OK" -F Green  
        }
        if(!$downloadonly.IsPresent){
            Add-Type -Path $localpath -EA Stop
        }
        
    }catch{
        throw "Error: $($_.Exception.Message)"  
        return
    }finally{
        if ($zip){$zip.Dispose()}
        if(Test-Path $tmp){del $tmp -Force}
    }  
}

# Lade benötigte assemblies wenn noch nicht geladen
if (!('InTheHand.Net.Sockets.BluetoothClient' -as [Type])){  
        Load-NugetAssembly 'https://www.nuget.org/api/v2/package/32feet.NET/3.5.0' -name 'InTheHand.Net.Personal.dll' -zipinternalpath 'lib/net/InTheHand.Net.Personal.dll'  
}


$client = New-Object InTheHand.Net.Sockets.BluetoothClient
write-host "Discovering devices ..." -F Green  
$mydevice = $client.DiscoverDevices() | ?{$_.DeviceAddress -eq $deviceaddress}
if (!$mydevice){
    write-host "Device with address '$deviceaddress' could not be found! (Device should already be paired first!)" -F Yellow  
    return
}
while($true){
    $mydevice.Refresh()
    if ($mydevice.Connected){
        "$(get-date -F G) - Device with address '$deviceaddress' ($($mydevice.DeviceName)) is currently connected."     
    }else{
        "$(get-date -F G) - Device with address '$deviceaddress' ($($mydevice.DeviceName)) is not connected."     
    }
    sleep -Seconds $monitorinterval
}