The event handler receives an argument of type System.Windows.Input.MouseWheelEventArgs containing data related to this event. The following MouseWheelEventArgs properties provide information specific to this event.
| Property | Description |
|---|
| Delta | Gets a value that indicates the amount that the mouse wheel rotated relative to its starting state or to the last occurrence of the event. |
| Handled | Gets or sets a value that marks the routed event as handled, and prevents most handlers along the event route from rehandling the same event. |
| OriginalSource | (Inherited from System.Windows.RoutedEventArgs) |
| StylusDevice | (Inherited from System.Windows.Input.MouseEventArgs) |