Receiving SignalR messages from PowerShell

SignalrClient.ps1

$eventName = "receiveMessage";
Add-Type -Path ".\SignalRClient.dll"
$s = New-Object SignalRClient.Connection("http://localhost/", "commandhub");
$s.Start($eventName);
while($true) {
    $s.TryDequeue($eventName)
    Start-Sleep -seconds 1
}

# string TryDequeue(string eventName)
# string Dequeue(string eventName)
# string Dequeue(string eventName, int dwMillisecondsTotalWaitTime)
# string Dequeue(string eventName, int dwMillisecondsTotalWaitTime, int dwMilliSecondsWaitIntervall)
# System.Collections.Generic.List[string] DequeueAll(string eventName)