When you want to use the mouse wheel on any open window in Windows, then you need to make that particular window focussed and also that window should support scrolling. AlwaysMouseWheel is a small freeware program which enables you to use your mouse’s scroll wheel on any window, even if it is not in the foreground or on top. The program allows optionally allows you to bring the wheel window to the foreground.
The application is portable and sits in the system tray. You can set the option on whether to bring the wheeled window to front or just forward the wheel command.
The application is compatible with all versions of Windows including Windows 7.