I'm not going to give you code or anything because it would take ages to explain it all, I shall however give you a step in the right direction.

You have a working console app.

Now look into Windows Forms Applications.

You'll find a power of resources online!

Don't listen to BigHair, you don't use Windows Forms Applications with C++ because then what you get is: a waste of time. You lose a lot of the power of C++ since Windows Forms Applications are part of .NET so you'd be working with managed C++ and that's been officially deprecated by Microsoft so they don't even support using it any more.
This is what I'm talking about if you don't know: [ Register or Signin to view external links. ] - it's cancer for native developers.

C# is the language Microsoft tends to push for Windows GUI applications but, if you're certain on using C++, you can also use: Qt, GTKmm, VCL, FLTK, etc. etc. Qt is a framework. GTKmm is a GTK+ C++ wrapper that's pretty minimal, I use it on Linux. VCL is for Win32 GUIs in C++ (or Delphi) and tends to be used for nice-looking GUIs for malware (since there's no dependencies - the others all ship with shared libraries. Qt's libraries tend to be the bulkiest since Qt is a whole framework). FLTK is minimal and I've read about but never used it.

ObscureCoder wrote Don't listen to BigHair.

Agree'd don't listen to me, I must have just gave it a quick glance, I didn't even realise it was c++.

My mistake.