Get-TimerStatus.ps1

function Get-TimerStatus
{
    <#
        .SYNOPSIS
            Will return boolean value representing status of an existing stopwatch.

        .DESCRIPTION
            Function requires a [System.Diagnostics.Stopwatch] object as input and will return $True if stopwatch is running or $False otherwise.

        .PARAMETER Timer
            A [System.Diagnostics.Stopwatch] object representing the StopWatch to check status for.

        .EXAMPLE
            PS C:\> Get-TimerStatus -Timer $Timer

        .OUTPUTS
            System.Boolean
    #>

    [CmdletBinding()]
    [OutputType([bool])]
    param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNull()]
        [System.Diagnostics.Stopwatch]
        $Timer
    )

    return $Timer.IsRunning
}