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From outside of the application, is there any difference between
...
Environment.Exit(2)
and
static int Main()
{
...
return 2;
}
?
206
Exit terminates an application immediately, even if other threads are running. If the return statement is called in the application entry point, it causes an application to terminate only after all foreground threads have terminated. Exit requires the caller to have permission to call unmanaged code.
return is a statement that returns the control of the flow of execution to the function which is calling. Exit statement terminates the program at the point it is used.
For the most part, there is no difference in a C program between using return and calling exit() to terminate main() .
Environment.Exit(2) can be used everywhere. return 2 only within the Main() function.
41
The most obvious difference is that you can call Environment.Exit from anywhere in your code. Aside from that:
Environment.Exit will take down the process anyway.Environment.Exit terminates the process without unwinding the stack and executing finally blocks (at least according to my experiments). Obviously when you return from Main you're already at the top level as far as managed code is concerned.Environment.Exit demands the appropriate security permission, so won't work for less trusted apps.Having seen the question update, I'm not entirely sure what you mean. In both cases the process will just exit with a code of 2...
161
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