How to add custom item to system menu in C++?

Question

I need to enumerate all running applications. In particular, all top windows. And for every window I need to add my custom item to the system menu of that window.

Ho

Answer 1

Once you have another window's top level handle, you may be able to call GetMenu() to retrieve the Window's system menu and then modify it, eg:

HMENU hMenu = GetMenu(hwndNext);