CommandManager.RemovePreviewExecutedHandler Method
Definition
Important
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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 -> unitPublic Shared Sub RemovePreviewExecutedHandler (element As UIElement, handler As ExecutedRoutedEventHandler)Parameters
- element
- UIElement
The element to remove handler from.
- handler
- ExecutedRoutedEventHandler
The executed handler.
Exceptions
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)
