Mouse wheel scrolls every window beneath the mouse pointer without clicking into it. This allows scrolling of background windows without bringing them to front.
Simple and lean implementation (mouse hook dll is only 21 KB in size).
Complete source code included.
Source code compiles with all Delphi versions (Delphi 5.0 or higher).
No third party units or components are needed to compile the source code.
Only Delphi Standard/Personal edition required to compile the source code.