UIElement.PreviewMouseWheel Event

 

Occurs when the user rotates the mouse wheel while the mouse pointer is over this element.

Namespace:   System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)

abstract PreviewMouseWheel : IEvent<MouseWheelEventHandler,
    MouseWheelEventArgs>
override PreviewMouseWheel : IEvent<MouseWheelEventHandler,
    MouseWheelEventArgs>

Focus or mouse capture take precedence over where the mouse pointer is; therefore, if you receive this event from a focused or captured element, the mouse pointer might actually be over another element.

This event creates an alias for the Mouse.PreviewMouseWheel attached event for this class, so that PreviewMouseMove is part of the class members list when UIElement is inherited as a base element. Event handlers that are attached to the PreviewMouseMove event are attached to the underlying Mouse.PreviewMouseWheel attached event and receive the same event data instance.

Identifier field

PreviewMouseWheelEvent

Routing strategy

Tunneling

Delegate

MouseWheelEventHandler

.NET Framework
Available since 3.0
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