Как узнать **ServiceName** службы по ее исполняемому файлу

using System.Management;
private string getServiceName(string servicePath)
{
    string result = null;
    ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_Service");
    ManagementObjectCollection collection = searcher.Get();
    foreach (ManagementObject obj in collection)
    {
        string name = obj["Name"] as string;
        string pathName = obj["PathName"] as string;
        if (pathName != null && pathName.Contains(servicePath))
        {
            result = name;
            break;
        }
    }
    return result;
}

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