CommandManager.RemovePreviewExecutedHandler Method

Definition

Namespace:

System.Windows.Input

Assembly:

PresentationCore.dll

Detaches the specified ExecutedRoutedEventHandler from the specified element.

public:
 static void RemovePreviewExecutedHandler(System::Windows::UIElement ^ element, System::Windows::Input::ExecutedRoutedEventHandler ^ handler);

public static void RemovePreviewExecutedHandler (System.Windows.UIElement element, System.Windows.Input.ExecutedRoutedEventHandler handler);

static member RemovePreviewExecutedHandler : System.Windows.UIElement * System.Windows.Input.ExecutedRoutedEventHandler -> unit

Public Shared Sub RemovePreviewExecutedHandler (element As UIElement, handler As ExecutedRoutedEventHandler)

Parameters

element

UIElement

The element to remove handler from.

handler

ExecutedRoutedEventHandler

The executed handler.

Exceptions

ArgumentNullException

element or handler is null.

Examples

The following example detaches a CanExecuteRoutedEventHandler and an ExecutedRoutedEventHandler which had previously been attached to a Button.

CommandManager.RemoveExecutedHandler(helpButton, HelpCmdExecuted);
CommandManager.RemoveCanExecuteHandler(helpButton, HelpCmdCanExecute);

CommandManager.RemoveExecutedHandler(helpButton, AddressOf HelpCmdExecuted)
CommandManager.RemoveCanExecuteHandler(helpButton, AddressOf HelpCmdCanExecute)

See also

• RoutedCommand
• ICommand