PreviewCanExecute Event

Occurs when the command associated with this CommandBinding initiates a check to determine whether the command can be executed on the current command target.

Syntax

Visual Basic
C#

'Declaration
 
Public Event PreviewCanExecute As CanExecuteRoutedEventHandler

'Usage
 
Dim instance As CommandBinding
Dim handler As CanExecuteRoutedEventHandler
 
AddHandler instance.PreviewCanExecute, handler

public event CanExecuteRoutedEventHandler PreviewCanExecute

Event Data

The event handler receives an argument of type CanExecuteRoutedEventArgs containing data related to this event. The following CanExecuteRoutedEventArgs properties provide information specific to this event.

Property	Description
CanExecute	Gets or sets a value that indicates whether the System.Windows.Input.ICommand associated with this event can be executed on the command target.
Command	Gets the command associated with this event.
ContinueRouting	Determines whether the input event that invoked the command should continue to route through the element tree.
EventName	Gets the input event name associated with this CanExecuteRoutedEventArgs instance. (Inherited from C1.Silverlight.C1RoutedEventArgs)
Handled	Gets or sets a value that indicates the present state of the event handling for event as it travels the route. (Inherited from C1.Silverlight.C1RoutedEventArgs)
OriginalSource	Gets the original reporting source as determined by pure hit testing. (Inherited from C1.Silverlight.C1RoutedEventArgs)
Parameter	Gets the command specific data.

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

CommandBinding Class
CommandBinding Members