using System;
using System.Management;

namespace IsConnected
{
   /// <summary>
   /// Summary description for Class1.
   /// </summary>
   class Class1
   {
      /// <summary>
      /// The main entry point for the application.
      /// </summary>
      [STAThread]
      static void Main(string[] args)
      {
         try
         {
            // build the base query string, requesting all 
            // records for the specified configuration class
            String query = "select * from MSNdis_MediaConnectStatus";

            // The ManagementObjectSearcher class is used to build out a collection
            // of WMI instances using a specified query and namespace
            // ConfigNamespace == "root\\WMI"
            ManagementObjectSearcher searcher =
               new ManagementObjectSearcher( "root/WMI", query);

            // display the query we're attempting to execute
            Console.WriteLine("\n"+ query + "\n");

            // class to hold collection of WMI instances retrieved by querying
            // a ManagementObjectSearcher instance. Each invocation of 
            // Get() re-executes the query and returns a new collection
            ManagementObjectCollection collection = searcher.Get();

            // int to count objects in the collection
            int count = 0;

            foreach (ManagementObject item in collection)
            {            
               foreach (PropertyData property in item.Properties)
               {
                  // since /nometa was not specified
                  // write the propert name
                  Console.Write(property.Name + ": ");

                  // write the property value
                  Console.WriteLine(property.Value);
               }

               count++;
            }

            if (count == 0) 
            {
               // an empty collection was retrieved
               Console.WriteLine("No information found" );
            }
         }

         // handler for ManagementExceptions
         catch (ManagementException e)
         {
            Console.WriteLine("\nError        : " + e.Message);

            // ErrorInformation is the extended error 
            // object provided by WMI
            if (null != e.ErrorInformation) 
            {
               // print out extended error information
               Console.WriteLine("Description  : " + e.ErrorInformation["Description"]);
               Console.WriteLine("Operation    : " + e.ErrorInformation["Operation"]);
               Console.WriteLine("ParameterInfo: " + e.ErrorInformation["ParameterInfo"]);
               Console.WriteLine("Provider     : " + e.ErrorInformation["ProviderName"]);
               Console.WriteLine("StatusCode   : {0:X}", e.ErrorInformation["StatusCode"]);
            }
         }

         // general handler for all other exceptions
         catch (Exception ex)
         {
            Console.WriteLine("Error : " + ex.Message);
         }
      }
   }
}