CommandBinding.Executed Evento

public:
 event System::Windows::Input::ExecutedRoutedEventHandler ^ Executed;

public event System.Windows.Input.ExecutedRoutedEventHandler Executed;

member this.Executed : System.Windows.Input.ExecutedRoutedEventHandler 

Public Custom Event Executed As ExecutedRoutedEventHandler 

Public Event Executed As ExecutedRoutedEventHandler 

Tipo de Evento

Exemplos

O exemplo seguinte cria um CommandBinding que mapeia um ExecutedRoutedEventHandler e um CanExecuteRoutedEventArgs handler para o Open comando.

<Window.CommandBindings>
  <CommandBinding Command="ApplicationCommands.Open"
                  Executed="OpenCmdExecuted"
                  CanExecute="OpenCmdCanExecute"/>
</Window.CommandBindings>

// Creating CommandBinding and attaching an Executed and CanExecute handler
CommandBinding OpenCmdBinding = new CommandBinding(
    ApplicationCommands.Open,
    OpenCmdExecuted,
    OpenCmdCanExecute);

this.CommandBindings.Add(OpenCmdBinding);

' Creating CommandBinding and attaching an Executed and CanExecute handler
Dim OpenCmdBinding As New CommandBinding(ApplicationCommands.Open, AddressOf OpenCmdExecuted, AddressOf OpenCmdCanExecute)

Me.CommandBindings.Add(OpenCmdBinding)

O seguinte mostra o ExecutedRoutedEventHandler que cria um MessageBox quando o comando é executado.

void OpenCmdExecuted(object target, ExecutedRoutedEventArgs e)
{
    String command, targetobj;
    command = ((RoutedCommand)e.Command).Name;
    targetobj = ((FrameworkElement)target).Name;
    MessageBox.Show("The " + command +  " command has been invoked on target object " + targetobj);
}

Private Sub OpenCmdExecuted(ByVal sender As Object, ByVal e As ExecutedRoutedEventArgs)
    Dim command, targetobj As String
    command = CType(e.Command, RoutedCommand).Name
    targetobj = CType(sender, FrameworkElement).Name
    MessageBox.Show("The " + command + " command has been invoked on target object " + targetobj)
End Sub

Observações

Quando a RoutedCommand executa, levanta o PreviewExecuted evento no alvo de comando. Se o PreviewExecuted evento não for tratado, o Executed evento é ativado no alvo de comando. Se o destino do comando tiver um CommandBinding para o comando específico, o Executed handler para esse CommandBinding é chamado. Se o destino do comando não tiver um CommandBinding para esse comando específico, o Executed evento surge na árvore de elementos à procura de um elemento que tenha um CommandBinding associado ao comando. Se a CommandBinding não for encontrado, o comando não é tratado.

Informação sobre Eventos Roteados

• O evento correspondente de tunelamento é PreviewExecuted.

Ver também

• RoutedCommand
• InputBinding
• CommandManager