I created a service in VS 2003 and the code works fine as an application,
but not as a service.
It installs fine, but when I try to start it, it tells me it was unable to
start.
Am I missing something here?
Here is the program.
*************** *************** *************** ****
Imports System
Imports System.Diagnost ics
Imports System.Componen tModel
Imports System.Data.Sql Client
Imports System.Web.Mail
Imports System.ServiceP rocess
Public Class Service1
Inherits System.ServiceP rocess.ServiceB ase
#Region " Component Designer generated code "
Public Sub New()
MyBase.New()
' This call is required by the Component Designer.
InitializeCompo nent()
' Add any initialization after the InitializeCompo nent() call
End Sub
'UserService overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Disp ose()
End If
End If
MyBase.Dispose( disposing)
End Sub
' The main entry point for the process
<MTAThread()> _
Shared Sub Main()
Dim ServicesToRun() As System.ServiceP rocess.ServiceB ase
' More than one NT Service may run within the same process. To add
' another service to this process, change the following line to
' create a second service object. For example,
'
' ServicesToRun = New System.ServiceP rocess.ServiceB ase () {New
Service1, New MySecondUserSer vice}
'
ServicesToRun = New System.ServiceP rocess.ServiceB ase () {New
Service1}
System.ServiceP rocess.ServiceB ase.Run(Service sToRun)
End Sub
'Required by the Component Designer
Private components As System.Componen tModel.IContain er
' 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.Diagnos tics.DebuggerSt epThrough()> Private Sub
InitializeCompo nent()
components = New System.Componen tModel.Containe r()
Me.ServiceName = "Service1"
End Sub
#End Region
Protected Overrides Sub OnStart(ByVal args() As String)
' Add code here to start your service. This method should set things
' in motion so your service can do its work.
Call RunIt()
End Sub
Protected Overrides Sub OnStop()
' Add code here to perform any tear-down necessary to stop your
service.
End Sub
Public Sub RunIt()
While (2 > 1)
tmrProcCheck()
System.Threadin g.Thread.Sleep( 60000) '1 minute, time is in
milliseconds
End While
End Sub
Private Sub tmrProcCheck()
Dim errors As Boolean = False
Dim errorMessage As String
Dim theProcess() As Process
theProcess = Process.GetProc essesByName("cm d")
If theProcess.Leng th = 0 Then
Process.Start(" notepad.exe")
End If
End Sub
End Class
*************** *************** *************** *************** *************** ***********
The code I wrote was (without the code MS added):
*************** *************** *************** *************** *************** ***
Imports System
Imports System.Diagnost ics
Imports System.Componen tModel
Imports System.Data.Sql Client
Imports System.Web.Mail
Imports System.ServiceP rocess
Protected Overrides Sub OnStart(ByVal args() As String)
' Add code here to start your service. This method should set things
' in motion so your service can do its work.
Call RunIt()
End Sub
Protected Overrides Sub OnStop()
' Add code here to perform any tear-down necessary to stop your
service.
End Sub
Public Sub RunIt()
While (2 > 1)
tmrProcCheck()
System.Threadin g.Thread.Sleep( 60000) '10 minutes, time is in
milliseconds
End While
End Sub
Private Sub tmrProcCheck()
Dim errors As Boolean = False
Dim errorMessage As String
Dim theProcess() As Process
theProcess = Process.GetProc essesByName("cm d")
If theProcess.Leng th = 0 Then
Process.Start(" notepad.exe")
End If
End Sub
End Class
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