Develop Reference

Having trouble getting CPU temps using Open Hardware Monitor C#

As the title describes I am having trouble getting CPU temps using the openhardwaremonitor.dll reference. I think I am running the program as an admin, I select run as admin when starting visual studio because I do not have the option to add an application.manifest file. This is the code I am using;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using OpenHardwareMonitor.Hardware;
namespace Get_CPU_Temp5
{
class Program
{
public class UpdateVisitor : IVisitor
{
public void VisitComputer(IComputer computer)
{
computer.Traverse(this);
}
public void VisitHardware(IHardware hardware)
{
hardware.Update();
foreach (IHardware subHardware in hardware.SubHardware) subHardware.Accept(this);
}
public void VisitSensor(ISensor sensor) { }
public void VisitParameter(IParameter parameter) { }
}
static void GetSystemInfo()
{
UpdateVisitor updateVisitor = new UpdateVisitor();
Computer computer = new Computer();
computer.Open();
computer.CPUEnabled = true;
computer.Accept(updateVisitor);
for (int i = 0; i < computer.Hardware.Length; i++)
{
if (computer.Hardware[i].HardwareType == HardwareType.CPU)
{
for (int j = 0; j < computer.Hardware[i].Sensors.Length; j++)
{
if (computer.Hardware[i].Sensors[j].SensorType == SensorType.Temperature)
Console.WriteLine(computer.Hardware[i].Sensors[j].Name + ":" + computer.Hardware[i].Sensors[j].Value.ToString() + "\r");
}
}
}
computer.Close();
}
static void Main(string[] args)
{
while (true)
{
GetSystemInfo();
}
}
}
}
Error;
"System.IO.FileNotFoundException: 'Could not load file or assembly 'System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.'"
This error is at computer.Open();
I am using visual studio 2019.
Any help will be greatly appreciated!

I just ran into this issue with trying to use openhardwaremonitor.dll with .Net core. The fix I found was to load system.management from Nuget. Apparently the system.management assemblies are not included in .net core like they are with .net Framework.

Driver is going null, not sure whats wrong. Selenium C#: Console App (.Net Core 2.0)

Selenium C#: Getting error "Make sure test project has a nuget reference of package "Microsoft.NET.Test.Sdk" and framework version settings are appropriate. Rerun with /diag option to diagnose further."
Project Structure: Console App (.Net Core 2.0)
Here is my main code:
using NUnit.Framework;
using OpenQA.Selenium;
using System.Threading;
namespace Portal
{
class Program
{
private IWebDriver driver;
public Program()
{
driver = BaseDriver.GetDriver();
}
private static void Main(string[] args)
{
}
[SetUp]
public void Initialize()
{
driver.Navigate().GoToUrl("https://Portal.com");
}
[Test]
public void ExecuteTests()
{
driver.FindElement(By.Id("UserName")).SendKeys("Admin");
driver.FindElement(By.Id("Password")).SendKeys("Admin");
driver.FindElement(By.XPath(
"html/body/div[3]/div/div/form/div/div[4]/button/span")).Click();
}
}
}
Here is my Driver Class Definition:
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
namespace portal
{
class BaseDriver
{
private static IWebDriver driver;
public static IWebDriver GetDriver()
{
if (driver == null)
{
driver = new ChromeDriver(#"C:\SeleniumC#\portal\portal");
driver.Manage().Window.Maximize();
}
return driver;
}
}
}

MEF based plugin system can't instance my plugins

I've implemented a very small plugin system based on C# with MEF. The problem is, none of my plugins are instanced. In the Aggregate-Catalog I can see my plugin listed. But, after I'll compose these parts, there isn't my plugin in the plugin list, what I'm doing wrong?
Here's a snippet of my code:
Plugin-Loader:
[ImportMany(typeof(IFetchService))]
private IFetchService[] _pluginList;
private AggregateCatalog _pluginCatalog;
private const string pluginPathKey = "PluginPath";
...
public PluginManager(ApplicationContext context)
{
var dirCatalog = new DirectoryCatalog(ConfigurationManager.AppSettings[pluginPathKey]);
//Here's my plugin listed...
_pluginCatalog = new AggregateCatalog(dirCatalog);
var compositionContainer = new CompositionContainer(_pluginCatalog);
compositionContainer.ComposeParts(this);
}
...
And here, the plugin itself:
[Export(typeof(IFetchService))]
public class MySamplePlugin : IFetchService
{
public MySamplePlugin()
{
Console.WriteLine("Plugin entered");
}
...
}

Tested working sample.
Compile class library with code inside PluginNameSpace namespace and place it to the 'Test' folder which will be inside console app exe folder.
using System;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;
using System.IO;
using System.Reflection;
using ConsoleApplication;
namespace ConsoleApplication
{
public interface IFetchService
{
void Write();
}
class PluginManager
{
[ImportMany(typeof(IFetchService))]
public IFetchService[] PluginList;
public PluginManager()
{
var dirCatalog = new DirectoryCatalog(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "\\Test");
var pluginCatalog = new AggregateCatalog(dirCatalog);
var compositionContainer = new CompositionContainer(pluginCatalog);
compositionContainer.ComposeParts(this);
}
}
class Program
{
static void Main(string[] args)
{
var pluginManager = new PluginManager();
foreach (var fetchService in pluginManager.PluginList)
{
fetchService.Write();
}
Console.ReadKey();
}
}
}
// Separate class library
namespace PluginNameSpace
{
[Export(typeof(IFetchService))]
public class MySamplePlugin : IFetchService
{
public void Write()
{
Console.WriteLine("Plugin entered");
}
}
}

Why AssemblyResolver fire even when dll is loaded (manualy)?

I have C# solution with 2 project:
DLLTest (Console app)
BLib (library)
In DLLTest I set reference to BLib and set Copy Local property to false.
Compile solution.
Copy BLib.dll to 'C:\BLib.dll' and run application.
In first step in my code I load Assembly from path 'C:\BLib.dll' then invoke method from there. On invoking method from BLib assembly fire AssemblyResolver and try load assembly which I loaded before manually.
Can I do something that application to know that the library has already been loaded and not try load it again?
This is BClass.cs file from BLib project:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BLib
{
public class BClass
{
public static void PrintName()
{
Console.WriteLine("BLib");
}
}
}
This is Program.cs file from DLLTest project:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
namespace DLLTest
{
class Program
{
static void Main(string[] args)
{
AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
Assembly.LoadFile(#"C:\BLib.dll");
Console.WriteLine("Loaded assembles:");
AppDomain.CurrentDomain.GetAssemblies().ToList()
.ForEach(p => Console.WriteLine(p));
Console.WriteLine("End list of assembles");
try
{
PrintMessage();
}
catch(Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.ReadKey();
}
private static void PrintMessage()
{
BLib.BClass.PrintName();
}
private static Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
{
Console.WriteLine(args.Name);
return null;
}
}
}

I find similar question Why is AssemblyResolve called when Assembly is in CurrentDomain? Answer from there follow me to Choosing a Binding Context where everything was detailed described (row Neither column Disadvantages).
That I think so, this is security reason.

Windows Service without the VS2005 template

I have the VS2005 standard edition and MS says this:
Note: The Windows Service Application
project templates and associated
functionality are not available in the
Standard Edition of Visual Basic and
Visual C# .NET...
Is it possible to write a Windows Service application without upgrading my VS2005 Standard edition?

If you can cut and paste, an example is enough.
A simple service to periodically log the status of another service. The example does not include the ServiceInstaller class (to be called by the install utility when installing a service application), so installing is done manually.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.ServiceProcess;
using System.Text;
using System.Timers;
namespace SrvControl
{
public partial class Service1 : ServiceBase
{
Timer mytimer;
public Service1()
{
InitializeComponent();
}
protected override void OnStart(string[] args)
{
if (mytimer == null)
mytimer = new Timer(5 * 1000.0);
mytimer.Elapsed += new ElapsedEventHandler(mytimer_Elapsed);
mytimer.Start();
}
void mytimer_Elapsed(object sender, ElapsedEventArgs e)
{
var srv = new ServiceController("MYSERVICE");
AppLog.Log(string.Format("MYSERVICE Status {0}", srv.Status));
}
protected override void OnStop()
{
mytimer.Stop();
}
}
public static class AppLog
{
public static string z = "SrvControl";
static EventLog Logger = null;
public static void Log(string message)
{
if (Logger == null)
{
if (!(EventLog.SourceExists(z)))
EventLog.CreateEventSource(z, "Application");
Logger = new EventLog("Application");
Logger.Source = z;
}
Logger.WriteEntry(message, EventLogEntryType.Information);
}
}
}

Yes, look here:
http://www.codeproject.com/KB/system/WindowsService.aspx

Sure, you just need to write the code yourself. It's not actually very hard. Here are a couple of references to how to do it:
http://msdn.microsoft.com/en-us/magazine/cc301845.aspx
http://www.aspfree.com/c/a/C-Sharp/Creating-a-Windows-Service-with-C-Sharp-introduction/