read the file that is opened with my console application in C++

Question

I have written a console application in C++ and I need to read the file that is opened with my console app:

• right click on txt file
• select open with
• choose my console application

---

then I want to read that .txt file. how?

my source code

Answer 1

You just need to declare arguments to your main like this:

int main(int argc, char *argv[])
{
   ...
}

And the file path will be passed as one of the argument. If you open multiple files, it will run one process per file.