Powershell script that gives you a systray icon to enble or disable bluetooth devices on Windows. Helps provent Windows from interfering with other devices using headphones.

bluetooth-enable-disable.ps1

$allBluetoothDevices = Get-PnpDevice -Class Bluetooth
$devicesByContainerId = @{}

foreach ($device in $allBluetoothDevices) {
  $deviceProperties = Get-PnpDeviceProperty -InstanceId $device.InstanceId
  $containerId = $deviceProperties | Where-Object { $_.KeyName -eq "DEVPKEY_Device_ContainerId" } | Select -ExpandProperty "Data"

  if (-Not ($devicesByContainerId[$containerId])) {
    $devicesByContainerId.add($containerId, @())
  }

  $devicesByContainerId[$containerId] += $device.InstanceId
}

$nameByContainerId = @{}

foreach($containerId in $devicesByContainerId.keys) {
  $names = @()
  foreach($instanceId in $devicesByContainerId[$containerId]) {
      $names += $allBluetoothDevices | Where-Object { $_.InstanceId -eq $instanceId } | Select -ExpandProperty "FriendlyName"
  }
  
  $shortestName = $names | Sort-Object Length | Select -First 1
  $nameByContainerId.add($containerId, $shortestName)
}

$statusByContainerId = @{}

foreach($containerId in $devicesByContainerId.keys) {
  $firstInstanceId = $devicesByContainerId[$containerId][0]
  $status = $allBluetoothDevices | Where-Object { $_.InstanceId -eq $firstInstanceId } | Select -ExpandProperty "Status"
  
  $statusByContainerId.add($containerId, $status)
}

[System.Reflection.Assembly]::LoadWithPartialName('System.Drawing')    | out-null
[System.Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms')    | out-null

$icon = [System.Drawing.Icon]::ExtractAssociatedIcon("C:\Windows\System32\fsquirt.exe") 

# Add the systray icon 
$Main_Tool_Icon = New-Object System.Windows.Forms.NotifyIcon
$Main_Tool_Icon.Text = "Disable bluetooth devices"
$Main_Tool_Icon.Icon = $icon
$Main_Tool_Icon.Visible = $true

$menuItems = @()

$enableDisable = @{}

$order = [string[]] $devicesByContainerId.keys

foreach($containerId in $order) {
  $menuItem = New-Object System.Windows.Forms.MenuItem
  $enableDisable.add($containerId, $menuItem)
  $isEnabled = $statusByContainerId[$containerId] -eq "OK"
  $index = $order.IndexOf($containerId)
  $enableDisable[$containerId].Index = $index
  
  if ($isEnabled) {
    $enableDisable[$containerId].Text = $nameByContainerId[$containerId]
  } else {
    $enableDisable[$containerId].Text = "[DISABLED] " + $nameByContainerId[$containerId]
  }
  $menuItems += $enableDisable[$containerId]
  
  $enableDisable[$containerId].add_Click({
    param (
      [object] $sender,
      [System.EventArgs] $e
    )
    process {
      $id = $order[$sender.Index]
      $isEnabled = $statusByContainerId[$id] -eq "OK"
      if ($isEnabled) {
        foreach($instanceId in $devicesByContainerId[$id]) {
          Disable-PnpDevice -InstanceId $instanceId -Confirm:$false
        }
        $enableDisable[$id].Text = "[DISABLED] " + $nameByContainerId[$id]
        $statusByContainerId[$id] = "Error"
      } else {
        foreach($instanceId in $devicesByContainerId[$id]) {
          Enable-PnpDevice -InstanceId $instanceId -Confirm:$false
        }
        $enableDisable[$id].Text = $nameByContainerId[$id]
        $statusByContainerId[$id] = "OK"
      }
    }
  })
}


# Add menu exit
$Menu_Exit = New-Object System.Windows.Forms.MenuItem
$Menu_Exit.Text = "Exit"
$menuItems += $Menu_Exit

# Add all menus as context menus
$contextmenu = New-Object System.Windows.Forms.ContextMenu
$Main_Tool_Icon.ContextMenu = $contextmenu
$Main_Tool_Icon.contextMenu.MenuItems.AddRange($menuItems)


$Menu_Exit.add_Click({
 $Main_Tool_Icon.Visible = $false
 $window.Close()
 Stop-Process $pid
})


# Make PowerShell Disappear
$windowcode = '[DllImport("user32.dll")] public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);'
$asyncwindow = Add-Type -MemberDefinition $windowcode -name Win32ShowWindowAsync -namespace Win32Functions -PassThru
$null = $asyncwindow::ShowWindowAsync((Get-Process -PID $pid).MainWindowHandle, 0)


# Force garbage collection just to start slightly lower RAM usage.
[System.GC]::Collect()

$appContext = New-Object System.Windows.Forms.ApplicationContext
[void][System.Windows.Forms.Application]::Run($appContext)