WindowVisibilityEventsClass.WindowShowing Событие
Определение
Важно!
Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.
Вызывается, когда инструментальное окно становится видимым.
Этот API поддерживает инфраструктуру продукта и не предназначен для использования непосредственно из программного кода.
public:
virtual event EnvDTE80::_dispWindowVisibilityEvents_WindowShowingEventHandler ^ WindowShowing;
public:
virtual event EnvDTE80::_dispWindowVisibilityEvents_WindowShowingEventHandler ^ WindowShowing;
public virtual event EnvDTE80._dispWindowVisibilityEvents_WindowShowingEventHandler WindowShowing;
member this.WindowShowing : EnvDTE80._dispWindowVisibilityEvents_WindowShowingEventHandler
Public Overridable Custom Event WindowShowing As _dispWindowVisibilityEvents_WindowShowingEventHandler Implements WindowShowing
Тип события
Реализации
Примеры
В этом примере для подключения используется надстройка WindowVisibilityEvents . Замените код в файле Connect. vb или Connect.cs на приведенный ниже пример кода. Запустите эту надстройку и закройте командное окно и окно вывода в Visual Studio интегрированной среде разработки, чтобы увидеть методы захвата событий в действии.
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.");
}
}
}