public static LogicaldiskCollection GetInstances(System.Management.ManagementScope mgmtScope, string condition, System.String[] selectedProperties)
{
if ((mgmtScope == null))
{
if ((statMgmtScope == null))
{
mgmtScope = new System.Management.ManagementScope();
mgmtScope.Path.NamespacePath = "root\\cimv2";
}
else
{
mgmtScope = statMgmtScope;
}
}
System.Management.ManagementObjectSearcher ObjectSearcher = new System.Management.ManagementObjectSearcher(mgmtScope, new System.Management.SelectQuery("Win32_Logicaldisk", condition, selectedProperties));
System.Management.EnumerationOptions enumOptions = new System.Management.EnumerationOptions();
enumOptions.EnsureLocatable = true;
ObjectSearcher.Options = enumOptions;
return new LogicaldiskCollection(ObjectSearcher.Get());
}
/// <summary>
/// HACK: Microsoft CDC driver (usbser.sys) does not register properly as a serial port
/// It needs serenum.sys upper port filter which causes problems of its own...
///
/// </summary>
/// <param name="ports"></param>
private static void PatchInZModemSerials(List <SerialPortInfo> ports)
{
/* SiLabs licensed USB to serial driver PID/VID */
const string SILABS_VID_PID = @"USB\VID_10C4&PID_81E8";
/* Zephyr VID (not specific on PID) */
const string ZEPHYR_VID = @"USB\VID_22F3";
string pnpDevId;
int startIndex;
int length;
System.Management.ManagementScope scope;
System.Management.ObjectQuery query;
System.Management.ManagementObjectSearcher searcher;
System.Management.ManagementObjectCollection returnCollection;
System.Management.EnumerationOptions opt = new System.Management.EnumerationOptions();
try
{
/* get the data NOW, don't put off the query until it is required (30sec timeout) */
opt.ReturnImmediately = false;
opt.Timeout = new TimeSpan(0, 0, 30);
/* define scope, in this case, this machine */
scope = new System.Management.ManagementScope(@"root\CIMV2");
/* set the query, get all information on the serial ports on the system */
query = new System.Management.ObjectQuery("SELECT * from Win32_SerialPort");
/* stick two together into a search */
searcher = new System.Management.ManagementObjectSearcher(scope, query, opt);
/* Run the query */
returnCollection = searcher.Get();
foreach (var oReturn in returnCollection)
{
pnpDevId = oReturn["PNPDeviceID"] as string;
pnpDevId = pnpDevId.ToUpper(); // Vista / Win7 seem to use upper case PID/VID/GUID
/* Checks to see if the candidate mySerialPort is a zephyr Serial Port */
if ((pnpDevId.LastIndexOf(SILABS_VID_PID) > -1) || (pnpDevId.LastIndexOf(ZEPHYR_VID) > -1))
{
/* Extract the serial number from the PnP mySerialPort ID */
startIndex = pnpDevId.LastIndexOf(@"\") + 1;
length = pnpDevId.LastIndexOf(@"_") - startIndex;
if (length < 0)
{
length = pnpDevId.Length - startIndex;
}
/* If port not already known, add to list */
string serial = pnpDevId.Substring(startIndex, length);
string portName = oReturn["DeviceID"] as string;
string caption = oReturn["Caption"] as string;
var search = ports.FirstOrDefault(item => item.Name == portName);
if (search == null)
{
System.Diagnostics.Debug.WriteLine("Found: " + oReturn["DeviceID"] + " " + oReturn["Caption"]);
SerialPortInfo spi = new SerialPortInfo();
spi.SerialName = serial;
spi.Name = portName;
spi.FriendlyName = caption;
spi.Description = caption;
spi.Manufacturer = "Zephyr";
spi.Driver = "usbser.sys";
ports.Add(spi);
}
}
}
}
catch
{
}
}
public static LogicaldiskCollection GetInstances(System.Management.ManagementScope mgmtScope, System.Management.EnumerationOptions enumOptions)
{
if ((mgmtScope == null))
{
if ((statMgmtScope == null))
{
mgmtScope = new System.Management.ManagementScope();
mgmtScope.Path.NamespacePath = "root\\cimv2";
}
else
{
mgmtScope = statMgmtScope;
}
}
System.Management.ManagementPath pathObj = new System.Management.ManagementPath();
pathObj.ClassName = "Win32_Logicaldisk";
pathObj.NamespacePath = "root\\cimv2";
System.Management.ManagementClass clsObject = new System.Management.ManagementClass(mgmtScope, pathObj, null);
if ((enumOptions == null))
{
enumOptions = new System.Management.EnumerationOptions();
enumOptions.EnsureLocatable = true;
}
return new LogicaldiskCollection(clsObject.GetInstances(enumOptions));
}
