Modification of aplication C++

Hi i have found an aplication made in C++ and I need it to do some aditional stuff. The aplication is AutoHotkey , [login to view URL] The program is a key macro software that I need modified. I need the software to trigger an macro action when the active program display spesific string. Theese strings are a part of a longer string. I must be able to add several string and have different actions for theese programs. When the strign is detected and trigger an event the AutoHotkey will run several key adn mouse commands. in another window adn return back to the original program. After the system is made it must be tested with the aplication it will monitor that displays the string(s) I might also need some inor help with Autohotkey scripting (nothing big). The new aplication must continously monitor the active window, at least once pr sec. It should be set up as a service so if it stops it is automaticaly restarted. More improvment will proberly be added later. If you have another idea on how to solve this I am open to listen.