ISelectionService.SelectionChanged Evento

Riferimento

Definizione

Spazio dei nomi:: System.ComponentModel.Design

Assembly:: System.ComponentModel.TypeConverter.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Importante

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Si verifica quando cambia la selezione corrente.

public:
 event EventHandler ^ SelectionChanged;

event EventHandler SelectionChanged;

member this.SelectionChanged : EventHandler

Event SelectionChanged As EventHandler

Tipo evento

EventHandler

Esempio

Nell'esempio seguente viene illustrato come usare l'evento SelectionChanged .

// Add SelectionChanged event handler to event
m_selectionService->SelectionChanged += gcnew EventHandler( this, &ComponentClass::OnSelectionChanged );

// Add SelectionChanged event handler to event
m_selectionService.SelectionChanged += new EventHandler(OnSelectionChanged);

' Add SelectionChanged event handler to event
AddHandler m_selectionService.SelectionChanged, AddressOf OnSelectionChanged

/* This is the OnSelectionChanged handler method.  This method calls
    OnUserChange to display a message that indicates the name of the
    handler that made the call and the type of the event argument. */
void OnSelectionChanged( Object^ /*sender*/, EventArgs^ args )
{
   OnUserChange( "OnSelectionChanged", args->ToString() );
}

/* This is the OnSelectionChanged handler method.  This method calls
    OnUserChange to display a message that indicates the name of the
    handler that made the call and the type of the event argument. */
private void OnSelectionChanged(object sender, EventArgs args) 
{
    OnUserChange("OnSelectionChanged", args.ToString());
}

' This is the OnSelectionChanged handler method.  This method calls
'  OnUserChange to display a message that indicates the name of the
'  handler that made the call and the type of the event argument. 
Private Sub OnSelectionChanged(ByVal sender As Object, ByVal args As EventArgs)
   OnUserChange("OnSelectionChanged", args.ToString())
End Sub

Commenti

Ridurre al minimo l'elaborazione durante la gestione di questo evento, perché l'elaborazione che si verifica all'interno di questo gestore eventi può influire significativamente sulle prestazioni complessive della finestra di progettazione moduli.

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