C# - Druckaufträge mit WMI auslesen

// Verweis auf System.Management mus dem Projekt hinzugefügt werden
// using System.Management;
// using System.Collections.Generic;

/// <summary>
/// Get all Print Jobs
/// </summary>
/// <returns>List<PrintJob></returns>
private List<PrintJob> GetPrinterJobs()
{
    string wmiQuery = "SELECT * FROM Win32_PrintJob";
    ManagementObjectSearcher jobsSearcher = new ManagementObjectSearcher(wmiQuery);
    ManagementObjectCollection jobCollection = jobsSearcher.Get();
    List<PrintJob> printJobs = new List<PrintJob>();

    foreach (ManagementObject mo in jobCollection)
    {
        PrintJob printJob = new PrintJob();
        printJob.Caption = (string)mo["Caption"];
        printJob.DataType = (string)mo["DataType"];
        printJob.Description = (string)mo["Description"];
        printJob.Document = (string)mo["Document"];
        printJob.DriverName = (string)mo["DriverName"];
        printJob.ElapsedTime = (string)mo["ElapsedTime"];
        printJob.HostPrintQueue = (string)mo["HostPrintQueue"];
        printJob.InstallDate = (string)mo["InstallDate"];
        printJob.JobId = Convert.ToUInt32( mo["JobId"]);
        printJob.JobStatus = (string)mo["JobStatus"];
        printJob.Name = (string)mo["Name"];
        printJob.Notify = (string)mo["Notify"];
        printJob.Owner = (string)mo["Owner"];
        printJob.PagesPrinted = Convert.ToUInt32(mo["PagesPrinted"]);
        printJob.Parameters = (string)mo["Parameters"];
        printJob.PrintProcessor = (string)mo["PrintProcessor"];
        printJob.Priority = Convert.ToUInt32(mo["Priority"]);
        printJob.Size = Convert.ToUInt32(mo["Size"]);
        printJob.StartTime = (string)mo["StartTime"];
        printJob.Status = (string)mo["Status"];
        printJob.StatusMask = Convert.ToUInt32(mo["StatusMask"]);
        printJob.TimeSubmitted = (string)mo["TimeSubmitted"];
        printJob.TotalPages = Convert.ToUInt32(mo["TotalPages"]);
        printJob.UntilTime = (string)mo["UntilTime"];
    }

    return printJobs;
}

class PrintJob
{
    public string Caption;
    public string DataType;
    public string Description;
    public string Document;
    public string DriverName;
    public string ElapsedTime;
    public string HostPrintQueue;
    public string InstallDate;
    public uint JobId;
    public string JobStatus;
    public string Name;
    public string Notify;
    public string Owner;
    public uint PagesPrinted;
    public string Parameters;
    public string PrintProcessor;
    public uint Priority;
    public uint Size;
    public string StartTime;
    public string Status;
    public uint StatusMask;
    public string TimeSubmitted;
    public uint TotalPages;
    public string UntilTime;
}