Powershell script to enable/disable the Windows lock facility (Win+L)

togglelock.ps1

param([Int32]$value=0)
$registryPath = "HKCU:\Software\Microsoft\Windows\CurrentVersion\Policies\System"
$Name = "DisableLockWorkstation"

IF(!(Test-Path $registryPath))
{
    Write-Host "Cannot change the status as the key cannot be found"
}
ELSE
{
    if ($value -ne 0 -and $value -ne 1)
    {
        Write-Host "Invalid parameter passed"
    }
    else
    {
        #The value is actually the reverse (which makes it counter-intuitive) so reverse it
        if ($value -eq 1)
        {
            $value = 0
        }
        else
        {
            $value = 1
        }
        Write-Host $value
        Write-Host $registryPath
        New-ItemProperty -Path $registryPath -Name $name -Value $value -PropertyType DWORD -Force | Out-Null
        if($value -eq 0)
        {
            Write-Host "Windows+L lock enabled"
        }
        else
        {
            Write-Host "Windows+L lock disabled"
        }
    }
}