WMI中的提供程序故障

问题描述

我正在尝试使用带有C#.Net 2.0，XP SP1的WMI检索CDROM驱动器详细信息.我遇到了Provider异常，找到以下代码，让我知道此异常的原因.

I am trying to retrieve the CDROM drive details using WMI with C#.Net 2.0, XP SP1. I got Provider exception, find the below code, let me know the reason for this exception.

using System;
using System.Management;
using System.Windows.Forms;

namespace WMISample
{
    public class MyWMIQuery
    {
        public static void Main()
        {
            try
            {
                ManagementObjectSearcher searcher = 
                    new ManagementObjectSearcher("root\\CIMV2", 
                    "SELECT * FROM Win32_CDROMDrive"); 

                foreach (ManagementObject queryObj in searcher.Get())
                {
                    Console.WriteLine("-----------------------------------");
                    Console.WriteLine("Win32_CDROMDrive instance");
                    Console.WriteLine("-----------------------------------");
                    Console.WriteLine("Drive: {0}", queryObj["Drive"]);
                }
            }
            catch (ManagementException e)
            {
                MessageBox.Show("An error occurred while querying for WMI data: " + e.Message);
            }
        }
    }
}

堆栈跟踪:
------------

Stack trace:
------------

at System.Management.ManagementException.ThrowWithExtendedInfo(ManagementStatus errorCode)
   at System.Management.ManagementObjectCollection.ManagementObjectEnumerator.MoveNext()
   at System.Management.ManagementObjectCollection.get_Count()

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