Lenovo X1 Cabon 2015 Touch display per batch abschalten

@echo off
powershell -ExecutionPolicy ByPass -Command "(Add-Type -memberDefinition '[DllImport(\"user32.dll\")]public static extern IntPtr SendMessage(IntPtr hWnd, Int32 Msg, Int32 wParam, Int32 lParam);'-name tools -namespace Win32Functions -PassThru)::SendMessage(-1,0x112,0xF170,2)"  

function Set-MonitorPowerState{
param(
    [parameter(mandatory=$true)][ValidateSet('PowerOn','PowerOff','Standby')]$state = 'PowerOn'  
)
    $tools = Add-Type –memberDefinition '[DllImport("user32.dll")]public static extern IntPtr SendMessage(IntPtr hWnd, Int32 Msg, Int32 wParam, Int32 lParam);' -name “tools” -namespace Win32Functions –passThru -EA SilentlyContinue  
    [int32]$mode = -1
    switch($state){
        'PowerOn'{$mode = -1}  
        'Standby'{$mode = 1}  
        'PowerOff'{$mode = 2}  
    }
    $tools::SendMessage(-1,0x112,0xF170,$mode)
}

Set-MonitorPowerState PowerOff
Set-MonitorPowerState PowerOn
Set-MonitorPowerState StandBy