CommandManager.RemovePreviewCanExecuteHandler(UIElement, CanExecuteRoutedEventHandler) CommandManager.RemovePreviewCanExecuteHandler(UIElement, CanExecuteRoutedEventHandler) CommandManager.RemovePreviewCanExecuteHandler(UIElement, CanExecuteRoutedEventHandler) CommandManager.RemovePreviewCanExecuteHandler(UIElement, CanExecuteRoutedEventHandler) Method

Definition

Detaches the specified CanExecuteRoutedEventHandler from the specified element.

public:
 static void RemovePreviewCanExecuteHandler(System::Windows::UIElement ^ element, System::Windows::Input::CanExecuteRoutedEventHandler ^ handler);
public static void RemovePreviewCanExecuteHandler (System.Windows.UIElement element, System.Windows.Input.CanExecuteRoutedEventHandler handler);
static member RemovePreviewCanExecuteHandler : System.Windows.UIElement * System.Windows.Input.CanExecuteRoutedEventHandler -> unit
Public Shared Sub RemovePreviewCanExecuteHandler (element As UIElement, handler As CanExecuteRoutedEventHandler)

Parameters

element
UIElement UIElement UIElement UIElement

The element to remove handler from.

Exceptions

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)

Applies to

See also