public static List <PrinterInfo> GetSpoolDevicesInfo()
{
var printers = new ManagementObjectSearcher("SELECT * from Win32_Printer");
var spoolDevicesList = new List <PrintUtility.PrinterInfo>();
foreach (var item in printers.Get())
{
var deviceCaption = item["Caption"];
if (deviceCaption == null)
{
continue;
}
var spoolDevice = new PrintUtility.PrinterInfo
{
Name = item["Name"].ToString(),
Network = null,
ComPort = null
};
spoolDevicesList.Add(spoolDevice);
}
return(spoolDevicesList);
}
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);
}