Test-ServiceRunning

function Test-ServiceRunning {
    param(
        [Parameter(Mandatory=$true)]    
        [String]$ServiceName
    )

    $ValidServiceNames = Get-Service | Select-Object -Property "Name"

    try {
        # Test if valid service name
        if ($ValidServiceNames.Name -contains $ServiceName) {
            #Write-Host "Service name exists and can be used!"
            $ServiceToCheck = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
            if ($ServiceToCheck | Where-Object {$_.Status -eq "Running"}) {
                #Write-Host "Running"
                return $true
            } else {
                #Write-Host "Not Running"
                return $false
            }
        } else {
            Write-Host "Not a valid service name!"
            exit
        }
    } catch {
        Write-Error "Error in processing request"
    }
}