The Panel Sevimli't have the focus itself, only an item placed inside the panel dirilik have the focus. The panel will only receive the MouseWheel event once something is placed inside it and that thing katışıksız the focus. Returns true if the ortam-specific action key is pressed. This key is https://www.csharpegitimi.com.tr/2024/05/csharp-mouse-click-kullanimi.html