Hotspot Start

# https://superuser.com/a/1434648

Add-Type -AssemblyName System.Runtime.WindowsRuntime
$asTaskGeneric = ([System.WindowsRuntimeSystemExtensions].GetMethods() | ? { $_.Name -eq 'AsTask' -and $_.GetParameters().Count -eq 1 -and $_.GetParameters()[0].ParameterType.Name -eq 'IAsyncOperation`1' })[0]

Function Await($WinRtTask, $ResultType) {
    $asTask = $asTaskGeneric.MakeGenericMethod($ResultType)
    $netTask = $asTask.Invoke($null, @($WinRtTask))
    $netTask.Wait(-1) | Out-Null
    $netTask.Result
}

Function AwaitAction($WinRtAction) {
    $asTask = ([System.WindowsRuntimeSystemExtensions].GetMethods() | ? { $_.Name -eq 'AsTask' -and $_.GetParameters().Count -eq 1 -and !$_.IsGenericMethod })[0]
    $netTask = $asTask.Invoke($null, @($WinRtAction))
    $netTask.Wait(-1) | Out-Null
}

Function SetHotspot($Enable) {
    $connectionProfile = [Windows.Networking.Connectivity.NetworkInformation,Windows.Networking.Connectivity,ContentType=WindowsRuntime]::GetInternetConnectionProfile()
    $tetheringManager = [Windows.Networking.NetworkOperators.NetworkOperatorTetheringManager,Windows.Networking.NetworkOperators,ContentType=WindowsRuntime]::CreateFromConnectionProfile($connectionProfile)

    if ($Enable -eq 1) {
        if ($tetheringManager.TetheringOperationalState -eq 1)
        {
            "Hotspot is already On!"
        }
        else{
            "Hotspot is off! Turning it on"
            Await ($tetheringManager.StartTetheringAsync()) ([Windows.Networking.NetworkOperators.NetworkOperatorTetheringOperationResult])
        }
    }
    else {
        if ($tetheringManager.TetheringOperationalState -eq 0)
        {
            "Hotspot is already Off!"
        }
        else{
            "Hotspot is on! Turning it off"
            Await ($tetheringManager.StopTetheringAsync()) ([Windows.Networking.NetworkOperators.NetworkOperatorTetheringOperationResult])
        }
    }
}

Function ToggleHotspot($Delay) {
    SetHotspot(1)
    sleep -seconds $Delay
    SetHotspot(0)
    sleep -seconds $Delay
    SetHotspot(1)
}

ToggleHotspot(3)