Evento WindowVisibilityEventsClass.WindowShowing

Artigo
08/01/2011

Esta API oferece suporte à infraestrutura .NET Framework e não se destina a ser usada diretamente do seu código.

Chamado quando uma janela de ferramenta fica visível.

Namespace: EnvDTE80
Assembly: EnvDTE80 (em EnvDTE80.dll)

Sintaxe

'Declaração
Public Overridable Event WindowShowing As _dispWindowVisibilityEvents_WindowShowingEventHandler

public virtual event _dispWindowVisibilityEvents_WindowShowingEventHandler WindowShowing

public:
virtual  event _dispWindowVisibilityEvents_WindowShowingEventHandler^ WindowShowing {
    void add (_dispWindowVisibilityEvents_WindowShowingEventHandler^ value);
    void remove (_dispWindowVisibilityEvents_WindowShowingEventHandler^ value);
}

abstract WindowShowing : IEvent<_dispWindowVisibilityEvents_WindowShowingEventHandler,
    EventArgs>
override WindowShowing : IEvent<_dispWindowVisibilityEvents_WindowShowingEventHandler,
    EventArgs>

O JScript não oferece suporte a eventos.

Implementações

_dispWindowVisibilityEvents_Event.WindowShowing

Exemplos

Este exemplo usa um add-in para conectar-se WindowVisibilityEvents. Substitua o código no arquivo Connect. vb ou Connect. cs com o código de exemplo abaixo. Executar neste suplemento e abrir e fechar o A janela de comando e o Janela de saída na Visual Studio IDE para ver os métodos de captura de evento em ação. Para obter mais informações sobre como executar os exemplos de automação, consulte Como: compilar e Executar a automação de exemplos de Código do modelo de objeto.

Imports System
Imports Microsoft.VisualStudio.CommandBars
Imports Extensibility
Imports EnvDTE
Imports EnvDTE80

Public Class Connect
    Implements IDTExtensibility2
    Dim applicationObject As DTE2
    Dim addInInstance As AddIn
    Public WithEvents windowsVisEvents As EnvDTE80.WindowVisibilityEvents
    Public Sub New()
    End Sub
    Public Sub OnConnection(ByVal application As Object, _
 ByVal connectMode As ext_ConnectMode, ByVal addInInst As Object, _
 ByRef custom As Array) Implements IDTExtensibility2.OnConnection
    applicationObject = CType(application, DTE2)
    addInInstance = CType(addInInst, AddIn)
    Dim toolwin As EnvDTE80.ToolWindows
    toolwin = applicationObject.ToolWindows
    windowsVisEvents = CType(toolwin.DTE.Events, _
    Events2).WindowVisibilityEvents
End Sub
Private Sub windowsVisEvents_WindowHiding(ByVal Window As _
 EnvDTE.Window) Handles windowsVisEvents.WindowHiding
    MsgBox(Window.Caption & " is hiding.")
End Sub
Private Sub windowsVisEvents_WindowShowing(ByVal Window As _
 EnvDTE.Window) Handles windowsVisEvents.WindowShowing
    MsgBox(Window.Caption & " is hiding.")
End Sub
Public Sub OnDisconnection(ByVal disconnectMode _
 As ext_DisconnectMode, ByRef custom As Array) Implements  _
IDTExtensibility2.OnDisconnection
    windowsVisEvents = Nothing
End Sub
Public Sub OnAddInsUpdate(ByRef custom As Array) Implements _
 IDTExtensibility2.OnAddInsUpdate
End Sub
Public Sub OnStartupComplete(ByRef custom As Array) Implements _
 IDTExtensibility2.OnStartupComplete
End Sub
Public Sub OnBeginShutdown(ByRef custom As Array) Implements _
 IDTExtensibility2.OnBeginShutdown
End Sub
End Class
[C#]
namespace CS_Events_Code
{
using System;
using Microsoft.VisualStudio.CommandBars;
using Extensibility;
using EnvDTE;
using EnvDTE80;
using System.Windows.Forms;
  public class Connect : Object, IDTExtensibility2
  {
   public Connect()
   {
   }
   public void OnConnection(object application, ext_ConnectMode
 connectMode, object addInInst, ref Array custom)
    {
    applicationObject = (DTE2)application;
    addInInstance = (AddIn)addInInst;
    EnvDTE80.Events2 events = (EnvDTE80.Events2
 )applicationObject.Events;
    windowsVisEvents = 
(EnvDTE80.WindowVisibilityEvents)events.get_WindowVisibilityEvents
(null);
    // Connect to each delegate exposed from the windows visibiliy 
    // events object retrieved above
    windowsVisEvents.WindowHiding +=new 
_dispWindowVisibilityEvents_WindowHidingEventHandler
(this.WindowHiding); 
    windowsVisEvents.WindowShowing +=new 
_dispWindowVisibilityEvents_WindowShowingEventHandler
(this.WindowShowing);
   }
   public void OnDisconnection(ext_DisconnectMode disconnectMode,
 ref Array custom)
   {
    if (windowsVisEvents != null)
    {
        windowsVisEvents.WindowHiding -= new 
_dispWindowVisibilityEvents_WindowHidingEventHandler
(this.WindowHiding);
       windowsVisEvents.WindowShowing -= new 
_dispWindowVisibilityEvents_WindowShowingEventHandler
(this.WindowShowing);
   }
   }
   public void OnAddInsUpdate(ref Array custom)
   {
   }
public void OnStartupComplete(ref Array custom)
   {
   }
public void OnBeginShutdown(ref Array custom)
   {
   }
private DTE2 applicationObject;
private AddIn addInInstance;
private EnvDTE80.WindowVisibilityEvents windowsVisEvents;
public void WindowHiding(EnvDTE.Window winRef)
   {
    MessageBox.Show("The window " + winRef.Caption + " is hiding.");
   }
public void WindowShowing(EnvDTE.Window winRef)
   {
    MessageBox.Show("The window " + winRef.Caption + " is hiding.");
   }
  }
}

Segurança do .NET Framework

Confiança total para o chamador imediato. O membro não pode ser usado por código parcialmente confiável. Para obter mais informações, consulte Usando bibliotecas de código parcialmente confiáveis.

Consulte também

Referência

WindowVisibilityEventsClass Classe

Namespace EnvDTE80

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