On Mouse Wheel(MouseEventArgs) Method
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Raises the MouseWheel event.
protected: virtual void OnMouseWheel(System::Windows::Forms::MouseEventArgs ^ e);
protected virtual void OnMouseWheel (System.Windows.Forms.MouseEventArgs e);
abstract member OnMouseWheel : System.Windows.Forms.MouseEventArgs -> unit override this.OnMouseWheel : System.Windows.Forms.MouseEventArgs -> unit
Protected Overridable Sub OnMouseWheel (e As MouseEventArgs)
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The OnMouseWheel method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.