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Posted 28 Sep 2011

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How to Debug or Test your Windows Service Without Installing it...

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4.89/5 (61 votes)
22 Nov 2012CPOL
Debug or test your Windows Service without installing it...

Introduction

When you develop a Windows Service and want to run or debug it, you get a message box with this message:

Cannot start service from the command line or a debugger.
A Windows Service must first be installed (using installutil.exe)
and then started with the ServerExplorer, Windows Services 
Administrative tool or the NET START command.

So for testing you have to first install it on your computer, but it is a long process and also boring because every time you make changes, you have to reinstall your service and test it again.

Solution

For debugging or testing your service without installing it, make changes in Program.cs like this.

C#
static class Program
{
    static void Main()
    {
        ServiceBase[] ServicesToRun;
        ServicesToRun = new ServiceBase[] 
	{ 
	     new MyService() 
	};
        ServiceBase.Run(ServicesToRun);
    }
}

Change it to:

C#
static class Program
{
    static void Main()
    {
        #if(!DEBUG)
           ServiceBase[] ServicesToRun;
           ServicesToRun = new ServiceBase[] 
	   { 
	        new MyService() 
	   };
           ServiceBase.Run(ServicesToRun);
         #else
           MyService myServ = new MyService();
           myServ.Process();
           // here Process is my Service function
           // that will run when my service onstart is call
           // you need to call your own method or function name here instead of Process();
         #endif
    }
}

After adding #if and #else to your main fuction, now when you press F5 or run your service, it will not show you the previous message and simply run, so attach a break point to your method which will be called by the service when it will start. With the use of this code, you can simply debug your service without installing it.

For this no need to add any extra using directive (like using System.Data or using System.IO) to your class file. It will simply as it is.

Enjoy!!!

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

 
QuestionEnvironment.UserInteractive Pin
sergiogarcianinja22-Nov-12 3:39
sergiogarcianinja22-Nov-12 3:39 
QuestionOhh Really ...!!!! It Works, Life Saver Pin
Strange_Pirate27-Sep-12 2:26
Strange_Pirate27-Sep-12 2:26 
AnswerRe: Ohh Really ...!!!! It Works, Life Saver Pin
Tejas Vaishnav23-Nov-12 18:20
professionalTejas Vaishnav23-Nov-12 18:20 
GeneralMy vote of 5 Pin
deeps3365-Sep-12 1:21
deeps3365-Sep-12 1:21 
GeneralRe: My vote of 5 Pin
Tejas Vaishnav5-Sep-12 21:57
professionalTejas Vaishnav5-Sep-12 21:57 
QuestionBetter / prettier solution Pin
Rob_III17-Aug-12 6:55
Rob_III17-Aug-12 6:55 
GeneralMy vote of 5 Pin
AbdullaMohammad17-Jul-12 5:14
AbdullaMohammad17-Jul-12 5:14 
GeneralRe: My vote of 5 Pin
Tejas Vaishnav17-Jul-12 19:32
professionalTejas Vaishnav17-Jul-12 19:32 
thanks samthec
Thanks & Regards
Tejas Vaishnav
Find me on Facebook | Blog

GeneralMy vote of 1 Pin
Mahalingam2510-Jul-12 2:53
Mahalingam2510-Jul-12 2:53 
GeneralRe: My vote of 1 Pin
Tejas Vaishnav10-Jul-12 19:40
professionalTejas Vaishnav10-Jul-12 19:40 
QuestionRe: My vote of 1 Pin
Chlorine Addict4-Oct-12 7:57
Chlorine Addict4-Oct-12 7:57 
AnswerRe: My vote of 1 Pin
Tejas Vaishnav4-Oct-12 19:55
professionalTejas Vaishnav4-Oct-12 19:55 
AnswerRe: My vote of 1 Pin
Tejas Vaishnav4-Oct-12 19:58
professionalTejas Vaishnav4-Oct-12 19:58 
GeneralReason for my vote of 5 Thanks Tejas for the tip. This is in... Pin
Ravinder Singh Yadav10-Oct-11 19:56
Ravinder Singh Yadav10-Oct-11 19:56 
GeneralRe: thanks Pin
Tejas Vaishnav11-Oct-11 1:20
professionalTejas Vaishnav11-Oct-11 1:20 
GeneralThanks Tejas for the tip. This is indeed very helpful for so... Pin
Ravinder Singh Yadav10-Oct-11 19:55
Ravinder Singh Yadav10-Oct-11 19:55 
GeneralRe: Thanks Tejas for the tip. This is indeed very helpful for so... Pin
Tejas Vaishnav11-Jul-12 4:04
professionalTejas Vaishnav11-Jul-12 4:04 

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