Class UIElementExtendedRoutedEventExtensions

This class contains extension methods that mimic the AddHandler/RemoveHandler methods for routed events.

Inheritance

System.Object

UIElementExtendedRoutedEventExtensions

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: System.Windows

Assembly: OpenSilver.Controls.Toolkit.dll

Syntax

public static class UIElementExtendedRoutedEventExtensions

Remarks

These methods are in the System.Windows namespace so that they can be used as extension methods without bringing the Microsoft.Windows namespace into the scope.

Methods

AddHandler(UIElement, ExtendedRoutedEvent, Delegate, Boolean)

Adds a routed event handler for a specified routed event, adding the handler to the handler collection on the current element.

Declaration

public static void AddHandler(this UIElement that, ExtendedRoutedEvent routedEvent, Delegate handler, bool handledEventsToo)

Parameters

Type	Name	Description
UIElement	that	The element to add a handler for.
ExtendedRoutedEvent	routedEvent	An identifier for the routed event to be handled.
System.Delegate	handler	A reference to the handler implementation.
System.Boolean	handledEventsToo	True to register the handler such that it is invoked even when the routed event is marked handled in its event data; false to register the handler with the default condition that it will not be invoked if the routed event is already marked handled. The default is false.

RemoveHandler(UIElement, ExtendedRoutedEvent, Delegate)

Removes a routed event handler for a specified routed event, removing the handler from the handler collection on the current element.

Declaration

public static void RemoveHandler(this UIElement that, ExtendedRoutedEvent routedEvent, Delegate handler)

Parameters

Type	Name	Description
UIElement	that	The element to remove the handler from.
ExtendedRoutedEvent	routedEvent	An identifier for the routed event to be handled.
System.Delegate	handler	A reference to the handler implementation.