How to display Service Start Mode for a specific service thru C#

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Hello
I am trying to find a way to just simply display the Start Mode for a specific
Windows Services. For example...If I just want to click on a button and have it display the Service Status and Start Type for W3SVC ?
I tried using Servicecontroller but that does not give me this option. Is there a simple way of doing this?

Posted 25-Jan-13 14:12pm

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-01-25T14:24:00

Basically, you need to open service manages, with the manager, open a service, and then change it configuration. Three steps:
http://msdn.microsoft.com/en-us/library/windows/desktop/ms684323%28v=vs.85%29.aspx[^],
http://msdn.microsoft.com/en-us/library/windows/desktop/ms684330%28v=vs.85%29.aspx[^],
http://msdn.microsoft.com/en-us/library/windows/desktop/ms681987%28v=vs.85%29.aspx[^].

By first step, you get the handle of the Service Manager, SC_HANDLE, using OpenSCManager, then, by second step, use it as a first parameter for the call to OpenService and then, finally, use the resulting handle to the service, to call ChangeServiceConfig.

You will need P/Invoke. If you need to learn P/Invoke, start from here:
http://en.wikipedia.org/wiki/P/Invoke[^],
http://msdn.microsoft.com/en-us/library/Aa712982[^].

This CodeProject can also be useful: Essential P/Invoke[^].

One alternative to P/Invoke is to use C++/CLI mixed-mode (managed+unmanaged) project. This project could build a DLL required by the global hooks, but it can contain some managed wrapper CLI code, so, from the standpoint of your .NET application, you can use it as a regular .NET assembly, that is, reference it. Please see:
http://en.wikipedia.org/wiki/C%2B%2B/CLI[^],
http://www.ecma-international.org/publications/standards/Ecma-372.htm[^],
http://msdn.microsoft.com/en-us/library/xey702bw.aspx[^],
http://msdn.microsoft.com/en-us/library/3bstk3k5[^].

This way, you can write the code in C++, wrap it in C++/CLI managed class and reference the resulting module as a .NET assembly.

—SA

Sergey Alexandrovich Kryukov · Answer 2 · 2013-01-25T15:05:00

By the way, one extremely primitive alternative to Solution 1: use "SC.EXE" (Service Control Manager) via System.Diagnostics.Process.Start:

C#

System.ServiceProcess.ServiceStartMode startMode = // ...
string processName = // ...

//...

string application = "SC";
string commandLine = string.Format(
    "CONFIG {0}, start= {1}", // important: blank space after '='
    processName, startMode);
System.Diagnostics.Process.Start(application, commandLine);

You can also redirect the stream StandardOutput to capture output of the application. Just in case, redirect also StandardError. You will find the code sample for redirection here:
http://msdn.microsoft.com/en-us/library/system.diagnostics.process.standardoutput.aspx[^].

—SA