How do we tell if a C++ application is launched as a Windows service?

Question

We have a console app which we launch from command prompt for debugging, but we also launch this as an NT service for production.

Right now, the code has this logic:<

Answer 1

If your application is running as a console application (when not running as a service), a simple solution is to check whether a console has been allocated:

if(GetConsoleWindow())
{
    //Running as console Application
}
else
{
    //Running as Service
}