LostFocusEventManager.AddHandler Method

Reference

Definition

Namespace:: System.Windows

Assembly:: PresentationFramework.dll

Important

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Adds the specified event handler, which is called when specified source raises the LostFocus or LostFocus event.

public:
 static void AddHandler(System::Windows::DependencyObject ^ source, EventHandler<System::Windows::RoutedEventArgs ^> ^ handler);

public static void AddHandler (System.Windows.DependencyObject source, EventHandler<System.Windows.RoutedEventArgs> handler);

static member AddHandler : System.Windows.DependencyObject * EventHandler<System.Windows.RoutedEventArgs> -> unit

Public Shared Sub AddHandler (source As DependencyObject, handler As EventHandler(Of RoutedEventArgs))

Parameters

source: DependencyObject

The source object that the raises the LostFocus or LostFocus event.

handler: EventHandler<RoutedEventArgs>

The delegate that handles the LostFocus or LostFocus event.

Exceptions

ArgumentNullException

handler is null.

Remarks

Use this method to specify the event handler you want to use to subscribe to the UIElement.LostFocus or ContentElement.LostFocus event. When you use this method, your listener object does not need to implement the IWeakEventListener interface.

Applies to

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