如何在VC ++中的控制台模式下显示错误消息？

Question

I am working on a VC++ windows application which support GUI as well as non-GUI based execution. The non GUI based execution is designed for console mode purpose. Now, if I executed that application in GUI mode I can show message box for user acknowledgement in case of error or exception.

But in Console mode, I have to execute like

c:> myapp.exe -options -MS Yes

If user type the above command without "-options"keyword. I want to display a error message in console mode.

Answer 1

The idea is to check that the options key is entered and exit if not. The approximate code of this solution:

int main(int argc, char** argv)
{
    if (...) // Check for options presence here
    {
        cerr << "Myapp should be run as myapp.exe -options -MS Yes" << endl;
        return 0;
    }
    ... // Some actual work here
}