Find out list of Drivers from the Device Manager

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C#

Hi!

I am using the following code to find out the list of drivers. This code is working only in the Administrator Mode not in the User Mode. For this code I am referencing the System dll "System.managment.dll".I want to find the list of readers in the User Mode also.

try
           {
               // string s = "";
               ManagementObjectSearcher searcher =
                   new ManagementObjectSearcher("root\\CIMV2",
                   "SELECT * FROM Win32_PnPEntity");

               foreach (ManagementObject queryObj in searcher.Get())
               {
                   string s = "";

                   s = queryObj["Caption"].ToString();
               }
           }
           catch (ManagementException e1)
           {
           }

Thanks