public static List <COMPortInfo> GetCOMPortsInfo()
{
List <COMPortInfo> comPortInfoList = new List <COMPortInfo>();
ConnectionOptions options = ProcessConnection.ProcessConnectionOptions();
ManagementScope connectionScope = ProcessConnection.ConnectionScope(Environment.MachineName, options, @"\root\CIMV2");
ObjectQuery objectQuery = new ObjectQuery("SELECT * FROM Win32_PnPEntity WHERE ConfigManagerErrorCode = 0");
ManagementObjectSearcher comPortSearcher = new ManagementObjectSearcher(connectionScope, objectQuery);
using (comPortSearcher)
{
string caption = null;
foreach (ManagementObject obj in comPortSearcher.Get())
{
if (obj != null)
{
object captionObj = obj["Caption"];
if (captionObj != null)
{
caption = captionObj.ToString();
if (caption.Contains("(COM"))
{
COMPortInfo comPortInfo = new COMPortInfo();
comPortInfo.Name = caption.Substring(caption.LastIndexOf("(COM")).Replace("(", string.Empty).Replace(")", string.Empty);
comPortInfo.Description = caption;
comPortInfoList.Add(comPortInfo);
}
}
}
}
return(comPortInfoList);
}
}
public Browser_IE()
{
options = ProcessConnection.ProcessConnectionOptions();
connectionScope = ProcessConnection.ConnectionScope(
Environment.MachineName, options);
browserTable.Columns.Add("PID");
browserTable.Columns.Add("Tab Title");
browserTable.Columns.Add("CPU Usage");
}
void buildPrettyNameCache(bool bForce = false)
{
if (bForce)
{
_prettyNameCache = null;
}
if (_prettyNameCache != null)
{
return;
}
_prettyNameCache = new Dictionary <string, string>();
ConnectionOptions options = ProcessConnection.ProcessConnectionOptions();
ManagementScope connectionScope = ProcessConnection.ConnectionScope(Environment.MachineName, options, @"\root\CIMV2");
ObjectQuery objectQuery = new ObjectQuery("SELECT * FROM Win32_PnPEntity WHERE ConfigManagerErrorCode = 0");
ManagementObjectSearcher comPortSearcher = new ManagementObjectSearcher(connectionScope, objectQuery);
using (comPortSearcher)
{
string caption = null;
int i = 0;
foreach (ManagementObject obj in comPortSearcher.Get())
{
i++;
if (obj != null)
{
object captionObj = obj["Caption"];
object deviceIdObj = obj["DeviceID"];
if (captionObj != null)
{
caption = captionObj.ToString();
if (caption.Contains("(COM"))
{
string name = caption.Substring(caption.LastIndexOf("(COM")).Replace("(", string.Empty).Replace(")",
string.Empty);
_prettyNameCache.Add(name, caption);
}
}
}
}
}
}
public static List <PrinterInfo> GetComDevicesInfo()
{
var options = ProcessConnection.ProcessConnectionOptions();
var connectionScope = ProcessConnection.ConnectionScope(Environment.MachineName, options, @"\root\CIMV2");
var objectQuery = new ObjectQuery("SELECT Name, Caption FROM Win32_PnPEntity WHERE ConfigManagerErrorCode = 0");
var comPortSearcher = new ManagementObjectSearcher(connectionScope, objectQuery);
var comPortDevicesList = new List <PrinterInfo>();
using (comPortSearcher)
{
foreach (var item in comPortSearcher.Get())
{
var deviceCaption = item["Caption"];
if (deviceCaption == null)
{
continue;
}
if (!deviceCaption.ToString().Contains("(COM"))
{
continue;
}
var comDevice = new PrintUtility.PrinterInfo
{
Name = item["Name"].ToString(),
ComPort = deviceCaption.ToString().Substring(deviceCaption.ToString().LastIndexOf("(COM", StringComparison.Ordinal)).Replace("(", string.Empty).Replace(")", string.Empty)
};
comPortDevicesList.Add(comDevice);
}
}
return(comPortDevicesList);
}
/// <summary>
/// Gets a list of COMPortInfo objects. This contains a port name and description of every com port in the system, including ones in use.
/// </summary>
/// <returns></returns>
public static List <ComPortInfo> GetDescriptions()
{
var comPortInfoList = new List <ComPortInfo>();
var options = ProcessConnection.ProcessConnectionOptions();
var connectionScope = ProcessConnection.ConnectionScope(Environment.MachineName, options, @"\root\CIMV2");
var objectQuery = new ObjectQuery("SELECT * FROM Win32_PnPEntity WHERE ClassGuid=\"{4d36e978-e325-11ce-bfc1-08002be10318}\"");
var comPortSearcher = new ManagementObjectSearcher(connectionScope, objectQuery);
using (comPortSearcher)
{
foreach (var obj in comPortSearcher.Get())
{
if (obj["Caption"]?.ToString().Contains("COM") != true)
{
continue;
}
var comPortInfo = new ComPortInfo
{
Manufacturer = obj["Manufacturer"]?.ToString(),
Caption = obj["Caption"]?.ToString(),
DeviceId = obj["DeviceID"]?.ToString(),
Description = obj["Description"]?.ToString(),
Name = obj["Name"]?.ToString()
};
comPortInfo.Caption = obj["Caption"]?.ToString();
var tempString = comPortInfo.Caption.Substring(comPortInfo.Caption.IndexOf("(", StringComparison.Ordinal) + 1);
tempString = tempString.Substring(0, tempString.IndexOf(")", StringComparison.Ordinal));
comPortInfo.Port = tempString;
if (comPortInfo.DeviceId?.Contains("VID") == true)
{
comPortInfo.Vid = comPortInfo.DeviceId.Substring(comPortInfo.DeviceId.IndexOf("VID", StringComparison.Ordinal) + 4, 4);
}
if (comPortInfo.DeviceId?.Contains("PID") == true)
{
comPortInfo.Pid = comPortInfo.DeviceId.Substring(comPortInfo.DeviceId.IndexOf("PID", StringComparison.Ordinal) + 4, 4);
}
if (comPortInfo.Manufacturer?.Contains("FTDI") == true)
{
tempString = comPortInfo.DeviceId?.Substring(comPortInfo.DeviceId.IndexOf("PID", StringComparison.Ordinal) + 9);
if (tempString != null)
{
var tempInt = tempString.IndexOf("\\", StringComparison.Ordinal);
if (tempInt > 0)
{
tempString = tempString.Substring(0, tempInt);
comPortInfo.Serial = tempString;
}
}
}
comPortInfoList.Add(comPortInfo);
}
}
return(comPortInfoList.OrderBy(x => x.Description).ToList());
}
public ProcessLocal()
{
options = ProcessConnection.ProcessConnectionOptions();
connectionScope = ProcessConnection.ConnectionScope(
Environment.MachineName, options);
}
