int EnumPortsWdm()

 {

     int i, dwDetDataSize;

     TCHAR fname[], locinfo[];

     HDEVINFO hDevInfo;

     SP_DEVICE_INTERFACE_DETAIL_DATA* pDetData;

     SP_DEVICE_INTERFACE_DATA ifcData;

     SP_DEVINFO_DATA devdata;

     static const GUID ___GUID_CLASS_COMPORT = \

     { 0x86E0D1E0L, 0x8089, 0x11D0, { 0x9C, 0xE4, 0x08, 0x00, 0x3E, 0x30, 0x1F, 0x73 } };

     /*static const GUID ___GUID_CLASS_COMPORT = \

     { 0xAD498944, 0x762F, 0x11D0, { 0x8D, 0xCB, 0x00, 0xC0, 0x4F, 0xC3, 0x35, 0x8C } };*/

     hDevInfo = SetupDiGetClassDevs( &___GUID_CLASS_COMPORT, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE );

     if ( hDevInfo == INVALID_HANDLE_VALUE )

     {

         return -;

     }

     dwDetDataSize = sizeof( SP_DEVICE_INTERFACE_DETAIL_DATA ) + ;

     pDetData = ( SP_DEVICE_INTERFACE_DETAIL_DATA* )calloc( , dwDetDataSize );

     if ( !pDetData )

     {

         SetupDiDestroyDeviceInfoList( hDevInfo );

         return -;

     }

     ifcData.cbSize = sizeof( SP_DEVICE_INTERFACE_DATA );

     pDetData->cbSize = sizeof( SP_DEVICE_INTERFACE_DETAIL_DATA );

     for ( i = ; SetupDiEnumDeviceInterfaces( hDevInfo, NULL, &___GUID_CLASS_COMPORT, i, &ifcData ); i ++ )

     {

         memset( &devdata, , sizeof( SP_DEVINFO_DATA ) );

         devdata.cbSize = sizeof( SP_DEVINFO_DATA );

         if ( !SetupDiGetDeviceInterfaceDetail( hDevInfo, &ifcData, pDetData, dwDetDataSize, NULL, &devdata ) )

         {

             break;

         }

         MessageBox( NULL, pDetData->DevicePath, TEXT( "PATH" ), MB_OK );

         if ( SetupDiGetDeviceRegistryProperty( hDevInfo, &devdata, SPDRP_FRIENDLYNAME, NULL, ( PBYTE )fname, sizeof( fname ), NULL ) )

         {

             MessageBox( NULL, fname, TEXT( "NAME" ), MB_OK );

         }

         if ( SetupDiGetDeviceRegistryProperty( hDevInfo, &devdata, SPDRP_LOCATION_INFORMATION, NULL, ( PBYTE )locinfo, sizeof( locinfo ), NULL ) )

         {

             if ( StrCmpN( locinfo, TEXT( "USB" ),  ) ==  )

             {

                 MessageBox( NULL, TEXT( "USB" ), TEXT( "TYPE" ), MB_OK );

             }

         }

     }

     free( pDetData );

     SetupDiDestroyDeviceInfoList( hDevInfo );

     return ;

 }