public static List <Win32PnPEntityClass> GetWin32PnPEntityClassDevices(string condition)
{
List <Win32PnPEntityClass> result = new List <Win32PnPEntityClass>();
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_PnPEntity where " + condition))
{
foreach (var o in searcher.Get())
{
var managementObject = (ManagementObject)o;
Win32PnPEntityClass portInfo = new Win32PnPEntityClass();
MapObject2Win32PnPEntityClass(managementObject, portInfo);
if (!portInfo.Caption.Contains("LPT"))
{
result.Add(portInfo);
}
}
}
return(result);
}
public static List <Win32PnPEntityClass> GetWin32PnPEntityClassSerialPortDevices()
{
List <Win32PnPEntityClass> result = new List <Win32PnPEntityClass>();
_serialPortNames = new List <string>(GetDeviceNames());
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_PnPEntity where ClassGuid = '{4D36E978-E325-11CE-BFC1-08002BE10318}' and Service <> 'Parport' "))
{
foreach (var o in searcher.Get())
{
var managementObject = (ManagementObject)o;
Win32PnPEntityClass portInfo = new Win32PnPEntityClass();
MapObject2Win32PnPEntityClass(managementObject, portInfo);
if (!portInfo.Caption.Contains("LPT"))
{
result.Add(portInfo);
}
}
}
//foreach (string sPortName in serialPortNames)
//{
// bool isCreated = false;
// foreach (Win32PnPEntityClass pInfo in result)
// {
// if (pInfo.DeviceID == sPortName)
// {
// isCreated = true;
// break;
// }
// }
// if (!isCreated)
// {
// Win32PnPEntityClass _pInfo = new Win32PnPEntityClass();
// _pInfo.DeviceID = sPortName;
// _pInfo.Caption = sPortName;
// result.Add(_pInfo);
// }
//}
return(result);
}
public static List <Win32PnPEntityClass> GetWin32PnPEntityClassSerialPortDevices(string condition)
{
List <Win32PnPEntityClass> result = new List <Win32PnPEntityClass>();
if (!condition.Trim().ToUpper().StartsWith("AND"))
{
condition = " and " + condition;
}
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("select * from Win32_PnPEntity where ClassGuid = '{4D36E978-E325-11CE-BFC1-08002BE10318}' and Service <> 'Parport' " + condition))
{
foreach (var o in searcher.Get())
{
var managementObject = (ManagementObject)o;
Win32PnPEntityClass portInfo = new Win32PnPEntityClass();
MapObject2Win32PnPEntityClass(managementObject, portInfo);
if (!portInfo.Caption.Contains("LPT"))
{
result.Add(portInfo);
}
}
}
return(result);
}
private static void MapObject2Win32PnPEntityClass(ManagementBaseObject managementObject, Win32PnPEntityClass portInfo)
{
MapObject2BaseWin32DeviceClass(managementObject, portInfo);
if (managementObject.Properties["ClassGuid"].Value != null)
{
portInfo.ClassGuid = (string)managementObject.Properties["ClassGuid"].Value;
}
if (managementObject.Properties["ErrorCleared"].Value != null)
{
portInfo.ErrorCleared = (bool?)managementObject.Properties["ErrorCleared"].Value;
}
if (managementObject.Properties["ErrorDescription"].Value != null)
{
portInfo.ErrorDescription = (string)managementObject.Properties["ErrorDescription"].Value;
}
if (managementObject.Properties["InstallDate"].Value != null)
{
portInfo.InstallDate = (DateTime?)managementObject.Properties["InstallDate"].Value;
}
if (managementObject.Properties["LastErrorCode"].Value != null)
{
portInfo.LastErrorCode = (int?)managementObject.Properties["LastErrorCode"].Value;
}
if (managementObject.Properties["Manufacturer"].Value != null)
{
portInfo.Manufacturer = (string)managementObject.Properties["Manufacturer"].Value;
}
if (managementObject.Properties["Service"].Value != null)
{
portInfo.Service = (string)managementObject.Properties["Service"].Value;
}
if (!string.IsNullOrEmpty(portInfo.Caption))
{
foreach (string s in _serialPortNames)
{
if (portInfo.Caption.Contains("(" + s + ")"))
{
portInfo.DeviceId = s;
}
}
}
}
