CommandBinding.Command Właściwość

Definicja

Pobiera lub ustawia ICommand skojarzoną z tym elementem CommandBinding .Gets or sets the ICommand associated with this CommandBinding.

public:
 property System::Windows::Input::ICommand ^ Command { System::Windows::Input::ICommand ^ get(); void set(System::Windows::Input::ICommand ^ value); };
[System.Windows.Localizability(System.Windows.LocalizationCategory.NeverLocalize)]
public System.Windows.Input.ICommand Command { get; set; }
[<System.Windows.Localizability(System.Windows.LocalizationCategory.NeverLocalize)>]
member this.Command : System.Windows.Input.ICommand with get, set
Public Property Command As ICommand

Wartość właściwości

ICommand

Polecenie skojarzone z tym powiązaniem.The command associated with this binding.

Atrybuty

Przykłady

Poniższy przykład tworzy CommandBinding Mapowanie ExecutedRoutedEventHandler i programu CanExecuteRoutedEventArgs obsługi Open polecenia.The following example creates a CommandBinding that maps an ExecutedRoutedEventHandler and a CanExecuteRoutedEventArgs handler to the Open command.

<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)

Poniżej przedstawiono zestawy, CanExecuteRoutedEventHandler do których są ustawiane CanExecute true .The following shows the CanExecuteRoutedEventHandler which sets CanExecute to true.

void OpenCmdCanExecute(object sender, CanExecuteRoutedEventArgs e)
{
    e.CanExecute = true;
}
Private Sub OpenCmdCanExecute(ByVal sender As Object, ByVal e As CanExecuteRoutedEventArgs)
    e.CanExecute = True
End Sub

Poniżej przedstawiono, ExecutedRoutedEventHandler który tworzy, MessageBox gdy polecenie jest wykonywane.The following shows the ExecutedRoutedEventHandler which creates a MessageBox when the command is executed.

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

Dotyczy

Zobacz też