Dear All, First post for me, and I want to thank the Autoit Team for this amazing work you did and you still doing. I've read the forum for hours searching for a "simple" way to capture the windows events. I've found some topics, but I thought it was too complicated, and I was affraid my program could become unstable. Please let me explain my need : I want to create a toolbar for a software I'm using. I created a GUI, and then attached the GUI to the program using WinAPI