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UIElement.OnMouseLeftButtonUp Method

Invoked when an unhandled MouseLeftButtonUp routed event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)
protected virtual void OnMouseLeftButtonUp(
	MouseButtonEventArgs e
)

Parameters

e
Type: System.Windows.Input.MouseButtonEventArgs

The MouseButtonEventArgs that contains the event data. The event data reports that the left mouse button was released.

The MouseLeftButtonUp event appears to travel a bubbling route but actually travels in an indirect way. Mouse.MouseUp is the underlying event that is bubble routed, and each UIElement along the event route uses identical handling to raise the direct routed event MouseLeftButtonUp. Although you can mark the MouseLeftButtonUp event as handled for purposes of this element, the handled state does not perpetuate to other elements along the event route. However, you might want to mark the event as handled in order to prevent general instance handlers (those that did not specify handledEventsToo) from being invoked.

The default implementation for general mouse event handling in UIElement listens for Mouse.MouseUp and converts it to an appropriate local event. If you want to override this logic, you must create a derived class. In the static constructor of your derived class, register an alternative class handler for Mouse.MouseUp. You cannot change the mouse handling behavior of UIElement by overriding OnMouseLeftButtonUp.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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