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Wednesday, December 28, 2022

This is designed to keep MS Teams 'Presence' from going to 'Away'...

Every 4.5 minutes / 270 seconds ('$Timer = 270') - It toggles the Teams window (minimize, restore) - This tells the app that it is being used, and prevents it from going from 'Available' to 'Away' after 5 minutes of inactivity...

So... Always 'Available'.

Note that some Anti-virus solutions, as well as enabling Powershell logging (to the Event-Viewer) can expose this hack...

Read the comments in the script for additional details on how to use the script.

If the computer does not allow the logged-in user to run scripts, this can be copy-pasted into PoSh ISE and ran from there...

If ISE is blocked, or you want to go a cleaner route...

Then copy-paste this script into a text file, name it something unassuming (CustomerNotes.txt).

Then open up the PoSh command shell and run this:

('iex' is the alias for 'Invoke-Expression')

iex ((New-Object System.Net.WebClient).DownloadString(<full path to the file>\CustomerNotes.txt'))

This is a 'Do-While' method... 

The 'While ($Blurb -eq $null)' will never be satisfied, so the script must be manually stopped, unless using the '$QuittingTime' variable is used.


<#
The Teams presence, will go from 'Available' to 'Away' after 5 minutes of inactivity.
There are several Teams processes, bout only one of them will have a non-zero 'MainWindowHandle' - That is the actual window. 

This script toggles the Teams window to the top (making it the active window), every 4.5 minutes (270 seconds). 
Thus when Teams is the active window, the Teams presence is set to 'Available', before it can show an 'Away' presence.
Fire it up if you need to be away discreetly...
If you want it to allow you to be 'Away' for lunch - Uncomment those variable, and set '$LunchStart' and '$LunchEnd' accordingly.
Example (lunch from noon to 1pm):
$LunchStart = [DateTime]"12:00"
$LunchEnd = [DateTime]"13:00"

And if you want to kill this script at quitting time - Uncomment the '$QuittingTime' variable, and set it accordingly.
Example (Quitting time is 5pm):
$QuittingTime = [DateTime]"17:00"
#>

# Leave these NULL values alone #
$LunchStart = $null; $LunchEnd = $null; $QuittingTime = $null
# Leave these NULL values alone #

# Uncomment these two items and set them accordingly if you want to use the lunchbreak feature.
$LunchStart = [DateTime]"12:00"
$LunchEnd = [DateTime]"13:00"
# Uncomment these two items and set them accordingly if you want to the lunchbreak feature.

# Uncomment this item and set it accordingly if you want to use the QuittingTime feature.
$QuittingTime = [DateTime]"17:00"
# Uncomment this item and set it accordingly if you want to use the QuittingTime feature.

$RunIt = 0

If ( (Get-Date) -lt $LunchStart -or (Get-Date) -gt $LunchEnd ) { $RunIt = 1 }
If ( $LunchStart -eq $null -and (Get-Date) -lt $QuittingTime ) { $RunIt = 1 }
If ( (Get-Date) -lt $QuittingTime ) { $RunIt = 1 }
If ( (Get-Date) -ge $QuittingTime ) { $RunIt = 0 }



# Function 'Set-WindowStyle' was found in THIS comment: https://www.reddit.com/r/PowerShell/comments/bng1ec/comment/en6a3pi

Function Set-WindowStyle 
{
    param
    (
        [Parameter()]
        [ValidateSet('FORCEMINIMIZE', 'HIDE', 'MAXIMIZE', 'MINIMIZE', 'RESTORE', 
            'SHOW', 'SHOWDEFAULT', 'SHOWMAXIMIZED', 'SHOWMINIMIZED', 
            'SHOWMINNOACTIVE', 'SHOWNA', 'SHOWNOACTIVATE', 'SHOWNORMAL')]
        $Style = 'SHOW',
        [Parameter()]
        $MainWindowHandle = (Get-Process -Id $pid).MainWindowHandle
    )
# $MainWindowHandle = (Get-Process -Id $pid).MainWindowHandle
# Get-Process | ? { $_.Product -match "Teams" -and $_.MainWindowHandle -ne 0 }
    $WindowStates = @{
        FORCEMINIMIZE = 11; HIDE = 0
        MAXIMIZE = 3; MINIMIZE = 6
        RESTORE = 9; SHOW = 5
        SHOWDEFAULT = 10; SHOWMAXIMIZED = 3
        SHOWMINIMIZED = 2; SHOWMINNOACTIVE = 7
        SHOWNA = 8; SHOWNOACTIVATE = 4
        SHOWNORMAL = 1
    }
    Write-Verbose ("Set Window Style {1} on handle {0}" -f $MainWindowHandle, $($WindowStates[$style]))

    $Win32ShowWindowAsync = Add-Type –memberDefinition @” 
    [DllImport("user32.dll")] 
    public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
“@ -name “Win32ShowWindowAsync” -namespace Win32Functions –passThru

    $Win32ShowWindowAsync::ShowWindowAsync($MainWindowHandle, $WindowStates[$Style]) | Out-Null
} # END Function Set-WindowStyle 

# Setting the baseline...
Get-Process | ? { $_.Product -match "Teams" -and $_.MainWindowHandle -ne 0 } | % { Set-WindowStyle MINIMIZE $PSItem.MainWindowHandle }
Sleep 2
Get-Process | ? { $_.Product -match "Teams" -and $_.MainWindowHandle -ne 0 } | % { Set-WindowStyle RESTORE $PSItem.MainWindowHandle }

$Timer = 270

Do {
If ( $RunIt -ge 1 ) {
Get-Process | ? { $_.Product -match "Teams" -and $_.MainWindowHandle -ne 0 } | % { Set-WindowStyle MINIMIZE $PSItem.MainWindowHandle }
Sleep 2
Get-Process | ? { $_.Product -match "Teams" -and $_.MainWindowHandle -ne 0 } | % { Set-WindowStyle RESTORE $PSItem.MainWindowHandle }
}
If ( (Get-Date) -gt $QuittingTime -and $QuittingTime -ne $null) { Write-Host "STOP!!!" -F 14; Break }

Sleep $Timer
} While ($Blurb -eq $null)


<#
NOTE: Teams status is logged here:

$TeamsStatus = Get-Content -Path $env:APPDATA"\Microsoft\Teams\logs.txt" -Tail 1000 | Select-String -Pattern `
  'Setting the taskbar overlay icon -',`
  'StatusIndicatorStateService: Added' | Select-Object -Last 1
#>

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