# PS_Beispiel_Aufrufparameter.ps1

# PS_Beispiel_Aufrufparameter.ps1 -a abc -b def -c ghi
# PS_Beispiel_Aufrufparameter.ps1 -b def -c ghi -a abc
# PS_Beispiel_Aufrufparameter.ps1 -b def -c ghi -a abc
# PS_Beispiel_Aufrufparameter.ps1 -paramA abc -paramB def -paramC ghi
# PS_Beispiel_Aufrufparameter.ps1 -paramA abc -paramB def -paramC ghi

Param( 
    # 'Mandatory' -> Ist dieser Wert erforderlich? 
    [parameter(Mandatory=$true)] 
    [alias("a")] 
    $ParamA, 
    [parameter(Mandatory=$true)] 
    [alias("b")] 
    $ParamB, 
    [parameter(Mandatory=$false)] 
    [alias("c")] 
    $ParamC 
) 
Write-Host "Parameter A = $ParamA" 
Write-Host "Parameter B = $ParamB" 
Write-Host "Parameter C = $ParamC"

$x = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")
Start-Sleep -m 10000