Question

Try to create a windows service with VS 2012. By default, there are 3 methods for the service:

Constructor(say MyService)
OnStart
OnStop

but when I put some code in Constructor, looks like it only running one time.

What I want is: when an app started from windows, for example, notepad.exe, I can capture it.
Should I put a dead loop in the constructor to monitor process list? I thought Service should be always on like a dead loop.
So when an app start it, how to capture it in MyService?

Answer 1

Should I put a dead loop in the constructor to monitor process list?

No, that goes in OnStart(). Basic pseudo-code is:

• OnStart:
  • Set up monitoring
  • Start it
• Monitoring:
  • while (true) monitor processes
  • if(stop signal) exit
• OnStop
  • Give stop signal to monitoring object