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使用VB.Net Express版本创建服务

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Services Part 1:>  Creating Services

Visual Basic Express is a great, free tool from Microsoft.   You don’t get all that Visual Studio 2005 offers though.  One of the things VB Express does not have is templates to create a Windows Service. 

We can still make Services with VB 2005 Express.  All it takes is a little manual work.  I will walk you thru a example on how to make a service in Visual Basic Express.

Choose Console Application, and give it the name of NewService1.

It will open in the designer with a module. Rename the module to NewService1.

Now we have to get some references for our Service. In the solution Explorer, double click on My Project and choose the References tab.

We need to Add the following references:

System.Configuration.Install 
System.ServiceProcess

Now back to the NewService1 Module. We will be replacing all the text in the module, thus turning it into a class. Replace all the text with the text below:

 

            Imports
             System.ServiceProcess


            Imports
             System.Configuration.Install




            Public
            Class
             NewService1

    
            Inherits
             System.ServiceProcess.ServiceBase

    
            Friend
            WithEvents Timer1 As System.Timers.Timer



    PublicSubNew()

        MyBase.New()

        InitializeComponents()

        ‘ TODO: Add any further initialization codeEnd SubPrivateSub InitializeComponents()

        Me.ServiceName = "NewService1″"Me.AutoLog = TrueMe.CanStop = TrueMe.Timer1 = New System.Timers.Timer()

        Me.Timer1.Interval = 6000Me.Timer1.Enabled = TrueEnd Sub‘ This method starts the service.

    <MTAThread()> SharedSub Main()

        ‘ To run more than one service you have to add them to the array
        System.ServiceProcess.ServiceBase.Run(New System.ServiceProcess.ServiceBase() {New NewService1})

    End Sub‘ Clean up any resources being used.ProtectedOverloadsOverridesSub Dispose(ByVal disposing AsBoolean)

        MyBase.Dispose(disposing)

        ‘ TODO: Add cleanup code here (if required)End SubProtectedOverridesSub OnStart(ByVal args() AsString)

        ‘ TODO: Add start code here (if required)‘ to start your service.Me.Timer1.Enabled = TrueEnd SubProtectedOverridesSub OnStop()

        ‘ TODO: Add tear-down code here (if required)‘ to stop your service.Me.Timer1.Enabled = FalseEnd SubPrivateSub InitializeComponent()

        Me.Timer1 = New System.Timers.Timer

        CType(Me.Timer1, System.ComponentModel.ISupportInitialize).BeginInit()

        ‘
‘Timer1‘
Me.Timer1.Enabled = TrueCType(Me.Timer1, System.ComponentModel.ISupportInitialize).EndInit()

    End SubPrivateSub Timer1_Elapsed(ByVal sender As System.Object, ByVal e As System.Timers.ElapsedEventArgs) Handles Timer1.Elapsed

        Dim MyLog AsNew EventLog() ‘ create a new event log‘ Check if the the Event Log ExistsIfNot MyLog.SourceExists(“NewService1″) Then

            MyLog.CreateEventSource(“NewService1″, “NewService1 Log”) ‘ Create LogEndIf

        MyLog.Source = "NewService1″"

        MyLog.WriteEntry("NewService1 Log", "It is running", EventLogEntryType.Information)



        ‘disable the timer so you dont fill up the log
        Timer1.Enabled = FalseEnd SubEnd Class

 

This will create the NewService class and insert a Timer into your designer. 
If you Double-Click on the NewService1 in the SolutionExplorer, you will see the designer and the Timer1 object.

This code will run after 6 seconds has passed, and will insert a log entry for our service saying “ It is running”.

We need to set the Service Name in the Designer:

Double click on NewService1 to get the gray page. Then click somewhere in the grey to get the properties for this class.

Under ServiceName put NewService1.

 

Services Part 2:>  Creating the needed Installers

This is not the Actual “Installer”. This is code needed for the Service to operate correctly.

We will get to Installing Later…

Add the Installer Code:

Create a new class file in your project and call it ProjectInstaller.

We wil replace the text in the ProjectInstaller class with the following code:

            Imports
             System.ComponentModel


            Imports
             System.Configuration.Install



<RunInstaller(True)> PublicClass ProjectInstaller

    Inherits System.Configuration.Install.Installer

    ‘Installer overrides dispose to clean up the component list.



    <System.Diagnostics.DebuggerNonUserCode()> _
    ProtectedOverridesSub Dispose(ByVal disposing AsBoolean)

        TryIf disposing AndAlso components IsNotNothingThen

                components.Dispose()

            EndIfFinallyMyBase.Dispose(disposing)

        EndTryEnd Sub‘Required by the Component DesignerPrivate components As System.ComponentModel.IContainer



    ‘NOTE: The following procedure is required by the Component Designer‘It can be modified using the Component Designer.‘Do not modify it using the code editor.



    <System.Diagnostics.DebuggerStepThrough()> _
    PrivateSub InitializeComponent()

        Me.ServiceProcessInstaller1 = New System.ServiceProcess.ServiceProcessInstaller

        Me.ServiceInstaller1 = New System.ServiceProcess.ServiceInstaller

        ‘
‘ServiceProcessInstaller1‘
Me.ServiceProcessInstaller1.Account = System.ServiceProcess.ServiceAccount.LocalSystem

        Me.ServiceProcessInstaller1.Password = NothingMe.ServiceProcessInstaller1.Username = Nothing‘
‘ServiceInstaller1‘
Me.ServiceInstaller1.ServiceName = "NewService1″"Me.ServiceInstaller1.StartType = System.ServiceProcess.ServiceStartMode.Automatic

        ‘
‘ProjectInstaller‘
Me.Installers.AddRange(New System.Configuration.Install.Installer() {Me.ServiceProcessInstaller1, Me.ServiceInstaller1})

    End SubFriendWithEvents ServiceProcessInstaller1 As System.ServiceProcess.ServiceProcessInstaller



    FriendWithEvents ServiceInstaller1 As System.ServiceProcess.ServiceInstaller


    PublicSubNew()

        MyBase.New()



        ‘This call is required by the Component Designer.
        InitializeComponent()



        ‘Add initialization code after the call to InitializeComponentEnd SubEnd Class

This will create the ProjectInstaller class and insert 2 Objects in the designer:

ServiceInstaller1 – Settings: The Service Name, Display Name, description, StartType

ServiceProcessInstaller – Settings: The Account the service will run under

In this example, the settings are set as follows:

ServiceName: NewService1

DisplayName: {blank} 
Description: {blank} 
StartType: Automatic – (will auto start on reboot) 
Account: LocalSystem – (do not need user/password. This will run under System account)

Now we have to build the project.

Services Part 3:>  Build and Install your Service

Build and Install service on your pc:

Go to build menu and choose Build NewService1 – This will create an EXE file in our project’s \bin\Release folder.

Next we will need to use the InstallUtil.exe to install the service into the PC.

InstallUtil.exe is part of the Dot Net distribution package. 
It is found in the c:\windows\Microsoft.net\Firmware\v2.0.50727\ folder.

Its command line usage is:

Install Service: 
Installutil.exe PATH_TO_EXE.exe

Uninstall Service: 
InstallUtil.exe PATH_TO_EXE.exe /u

For this example, I changed directory into the c:\windows\Microsoft.net\Firmware\v2.0.50727\ folder. 
Then I ran:

InstallUtil.exe “c:\vb2005\projects\NewService1\bin\Release\NewService1.exe”

The installer should give you lots of text, It should end by saying:

The Commit phase completed successfully. 
The transacted install has completed.

If there are any error messages in the install of the service, it will list them.

After successful installation, you should see the Service listed as NewService1 in the Service Manager. 
To get the service manager, Right click on My Computer on the desktop, and choose Manage.

Then choose Services and Applications > Services. Right-Click on the NewService1 and choose Start.

Then go to System Tools > Event Viewer > Application, and you should see your log entries.

The service will make one entry saying “It is running” then disable the Timer so your log doesn’t fill up.

To install this service on another computer:

Prerequisites: You need to have .net distributable 2.0 on the target PC.

You need to copy over the files in the Release folder to the target computer. Then inside the c:\windows\Microsoft.net\Firmware\v2.0.50727\ folder run the InstallUtil.exe program as described previously.

That’s It.

原文：http://www.cnblogs.com/lbnnbs/p/3642927.html

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