CommandManager.RemovePreviewExecutedHandler Method

Detaches the specified ExecutedRoutedEventHandler from the specified element.

Namespace:  System.Windows.Input
Assembly:  PresentationCore (in PresentationCore.dll)

public static void RemovePreviewExecutedHandler(
	UIElement element,
	ExecutedRoutedEventHandler handler
)

Parameters

element
Type: System.Windows.UIElement

The element to remove handler from.

handler
Type: System.Windows.Input.ExecutedRoutedEventHandler

The executed handler.

ExceptionCondition
ArgumentNullException

element or handler is null.

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);

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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