Windows service vb.net 2010 example

It contains the identifier of the next event to write into the event log:. Instead of running all your work on the main thread, you can run tasks by using background worker threads. For more information, see System. Insert a line of code in the OnStop method that adds an entry to the event log when the service is stopped:.

You can override the OnPause , OnContinue , and OnShutdown methods to define additional processing for your component. Services report their status to the Service Control Manager so that a user can tell whether a service is functioning correctly. InteropServices namespace:. Add the following code to MyNewService. Before you run a Windows service, you need to install it, which registers it with the Service Control Manager. Add installers to your project to handle the registration details.

In the Design view, select the background area, then choose Add Installer from the shortcut menu. By default, Visual Studio adds a component class named ProjectInstaller , which contains two installers, to your project.

These installers are for your service and for the service's associated process. Add text to the Description property, such as A sample service. This text appears in the Description column of the Services window and describes the service to the user.

Add text to the DisplayName property. This text appears in the Display Name column of the Services window. This name can be different from the ServiceName property, which is the name the system uses for example, the name you use for the net start command to start your service. Set the StartType property to Automatic from the drop-down list.

When you're finished, the Properties windows should look like the following figure:. Set the Account property to LocalSystem from the drop-down list. The LocalSystem account has broad permissions, including the ability to write to the event log. Use this account with caution, because it might increase your risk of attacks from malicious software.

For other tasks, consider using the LocalService account, which acts as a non-privileged user on the local computer and presents anonymous credentials to any remote server. This example fails if you try to use the LocalService account, because it needs permission to write to the event log.

For more information about installers, see How to: Add installers to your service application. Before you decide to add startup parameters, consider whether it's the best way to pass information to your service. Although they're easy to use and parse, and a user can easily override them, they might be harder for a user to discover and use without documentation. Generally, if your service requires more than just a few startup parameters, you should use the registry or a configuration file instead.

A Windows service can accept command-line arguments, or startup parameters. Eventually installed VS CE to see examples. Added comments in code on versions etc. SignalR Server example in VS SignalR Imports Microsoft. Hubs Imports Microsoft. Core -version 1. Json version 6. Json -version 6. Json -version 7. Owin ' Install-Package Microsoft.

Owin -version 1. Owin Owin version 1. Owin -version 2. Owin -version 3. HttpListener -version 2. HttpListener '' latest version 3. HttpListener -version 3. Hosting -version 2. Hosting '' latest version 3. End Try. WriteLine String. End Class. Adding an Installer to the Windows Service. Once the Windows Service is ready to go we need to add the Installer class to our Windows Service as without it, the Windows Service will not install.

Following are the steps to add Installer class. Right Click the Service1. Once the Design View is show, you need to right click and then select Add Installer in the context menu. The above action will add an Installer class named ProjectInstaller. Now you need to open the ProjectInstaller. Designer class and look for InitializeComponent Method. In this method we will modify the ServiceName of the Windows Service and also set its StartType to Automatic, so that along with the computer the Windows Service will start automatically.

ServiceProcessInstaller ;. ServiceInstaller ;. AddRange new System. Private Sub InitializeComponent. AddRange New System. ServiceProcessInstaller1, Me. Making the Windows Service Automatically start after Installation. After the installation one has to start the Windows Service manually through the Services section of My Computer Management.

We can start the Windows Service automatically after installation by making use of the AfterInstall event handler which triggers immediately after Windows Service is installed. You will need to open the ProjectInstaller class and override the AfterInstall event handler and add the code to start the Windows Service. OnAfterInstall savedState ;.

ServiceController serviceInstaller1. Start ;. Public Class ProjectInstaller. Public Sub New. OnAfterInstall savedState. ServiceController ServiceInstaller1. Installing the Windows Service using InstallUtil. Once all the processes are complete, we can now build the Windows Service. Note : Once the Windows Service is ready for deployment, it is recommended to make use of the Release version of the EXE file instead of the Debug version.

Now copy and build the path in a Notepad Text file. Note : I would recommend to build the command in a Notepad and save it somewhere so that you can use it multiple times.

InstallUtil Syntax. Note : I am making use of Visual Studio , and hence you need to use the appropriate version installed on your computer. And make sure you are logged in as Administrator. Run ServiceInstall. There is also a corresponding ServiceUnInstall. Message, , EventLogEntryType.

Day, -1, Date. Second, LastActionTime, Date. LocalSystem Me. Automatic Me. AddRange New System. ServiceProcessInstaller1, Me. Container Me. GetAbsolutePathName ".