C# - Prüfen ob Drucker erreichbar ist

using System.Drawing.Printing;

/// <summary>
/// Checks the printer.
/// </summary>
/// <param name="printerName">The printername.</param>
/// <returns></returns>
private bool CheckPrinter(string printerName)
{
    bool online = false;
    try
    {
        PrintDocument printDocument = new PrintDocument();
        printDocument.PrinterSettings.PrinterName = printerName;
        online = printDocument.PrinterSettings.IsValid;
    }
    catch
    {
        online = false;
    }
    return online;
}