Windows Powershell Script to Toggle Bluetooth On or Off

bluetooth.ps

[CmdletBinding()] Param (
    [Parameter()][ValidateSet('On', 'Off')][string]$BluetoothStatus
)
If ((Get-Service bthserv).Status -eq 'Stopped') { Start-Service bthserv }
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
}
[Windows.Devices.Radios.Radio,Windows.System.Devices,ContentType=WindowsRuntime] | Out-Null
[Windows.Devices.Radios.RadioAccessStatus,Windows.System.Devices,ContentType=WindowsRuntime] | Out-Null
Await ([Windows.Devices.Radios.Radio]::RequestAccessAsync()) ([Windows.Devices.Radios.RadioAccessStatus]) | Out-Null
$radios = Await ([Windows.Devices.Radios.Radio]::GetRadiosAsync()) ([System.Collections.Generic.IReadOnlyList[Windows.Devices.Radios.Radio]])
$bluetooth = $radios | ? { $_.Kind -eq 'Bluetooth' }
[Windows.Devices.Radios.RadioState,Windows.System.Devices,ContentType=WindowsRuntime] | Out-Null
if (!$BluetoothStatus) { if ($bluetooth.state -eq 'On') { $BluetoothStatus = 'Off' } else { $BluetoothStatus = 'On' } }
Await ($bluetooth.SetStateAsync($BluetoothStatus)) ([Windows.Devices.Radios.RadioAccessStatus]) | Out-Null

powershell -Command C:\My` Scripts\bluetooth.ps1

powershell -Command C:\My` Scripts\bluetooth.ps1 -BluetoothStatus On
powershell -Command C:\My` Scripts\bluetooth.ps1 -BluetoothStatus Off

Works perfectly.
Thanks!

Great. Thanks! 👍

Very helpful. wonderful.

Thanks for your work! I wrote a small PS module based on your script that can be used with the new pwsh, since that has problems running the WinRT calls.