IComponentChangeService イベント
パブリック イベント| 名前 | 説明 | |
|---|---|---|
.gif) | ComponentAdded | コンポーネントが追加されたときに発生します。 |
| | ComponentAdding | コンポーネントが追加されているときに発生します。 |
| | ComponentChanged | コンポーネントが変更されたときに発生します。 |
| | ComponentChanging | コンポーネントが変更されているときに発生します。 |
| | ComponentRemoved | コンポーネントが削除されたときに発生します。 |
| | ComponentRemoving | コンポーネントが削除されているときに発生します。 |
| | ComponentRename | コンポーネントの名前が変更されたときに発生します。 |
参照IComponentChangeService インターフェイス
コンポーネントの追加、変更、削除、または名前変更のイベントのイベント ハンドラを追加および削除するためのインターフェイスを提供すると共に、ComponentChanged イベントまたは ComponentChanging イベントを発生させるメソッドを提供します。
名前空間: System.ComponentModel.Design
アセンブリ: System (system.dll 内)
構文
解説
使用例
プラットフォーム
バージョン情報
参照
アセンブリ: System (system.dll 内)
構文解説IComponentChangeService は、次のイベントを処理するメソッドを示すために使用できるインターフェイスを提供します。
通常、デザイン環境では、コンポーネントに対する上記のような追加、変更、削除、名前変更の各イベントが発生します。デザイナは、コンポーネントに影響を与えるデザイン時のアクションを元に戻したりやり直したりする機能を DesignerTransaction オブジェクトを使用して提供する場合に、このインターフェイスのメソッドを呼び出します。詳細については、DesignerTransaction に関するドキュメントを参照してください。通常は、これらの変更通知を処理するのはルート デザイナだけです。
このサービスは、コンポーネントが変更されたときに発生するイベントや、これから変更されるときに発生するイベントを発生させるメソッドも提供します。PropertyDescriptor やコンポーネントは、コンポーネントが変更されたこと、これから変更されることを示すために、それぞれ OnComponentChanged メソッドと OnComponentChanging メソッドを使用できます。
使用例IComponentChangeService インターフェイスを使用して、デザイン モードでコンポーネントの追加、削除、変更に関する通知を受け取る方法を次の例に示します。
Imports System Imports System.Data Imports System.Drawing Imports System.Collections Imports System.ComponentModel Imports System.ComponentModel.Design Imports System.Windows.Forms ' This sample illustrates how to use the IComponentChangeService interface ' to handle component change events. The ComponentClass control attaches ' event handlers when it is sited in a document, and displays a message ' when notification that a component has been added, removed, or changed ' is received from the IComponentChangeService. ' To run this sample, add the ComponentClass control to a Form and ' add, remove, or change components to see the behavior of the ' component change event handlers. Namespace IComponentChangeServiceExample _ Public Class ComponentClass Inherits System.Windows.Forms.UserControl Private components As System.ComponentModel.Container = Nothing Private listBox1 As System.Windows.Forms.ListBox Private m_changeService As IComponentChangeService Public Sub New() InitializeComponent() End Sub Private Sub InitializeComponent() Me.listBox1 = New System.Windows.Forms.ListBox() Me.SuspendLayout() ' listBox1. Me.listBox1.Location = New System.Drawing.Point(24, 16) Me.listBox1.Name = "listBox1" Me.listBox1.Size = New System.Drawing.Size(576, 277) Me.listBox1.TabIndex = 0 ' ComponentClass. Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.listBox1}) Me.Name = "ComponentClass" Me.Size = New System.Drawing.Size(624, 320) Me.ResumeLayout(False) End Sub ' This override allows the control to register event handlers for IComponentChangeService events ' at the time the control is sited, which happens only in design mode. Public Overrides Property Site() As ISite Get Return MyBase.Site End Get Set(ByVal Value As ISite) ' Clear any component change event handlers. ClearChangeNotifications() ' Set the new Site value. MyBase.Site = Value m_changeService = CType(GetService(GetType(IComponentChangeService)), IComponentChangeService) ' Register event handlers for component change events. RegisterChangeNotifications() End Set End Property Private Sub ClearChangeNotifications() ' The m_changeService value is null when not in design mode, ' as the IComponentChangeService is only available at design time. m_changeService = CType(GetService(GetType(IComponentChangeService)), IComponentChangeService) ' Clear our the component change events to prepare for re-siting. If Not (m_changeService Is Nothing) Then RemoveHandler m_changeService.ComponentChanged, AddressOf OnComponentChanged RemoveHandler m_changeService.ComponentChanging, AddressOf OnComponentChanging RemoveHandler m_changeService.ComponentAdded, AddressOf OnComponentAdded RemoveHandler m_changeService.ComponentAdding, AddressOf OnComponentAdding RemoveHandler m_changeService.ComponentRemoved, AddressOf OnComponentRemoved RemoveHandler m_changeService.ComponentRemoving, AddressOf OnComponentRemoving RemoveHandler m_changeService.ComponentRename, AddressOf OnComponentRename End If End Sub Private Sub RegisterChangeNotifications() ' Register the event handlers for the IComponentChangeService events If Not (m_changeService Is Nothing) Then AddHandler m_changeService.ComponentChanged, AddressOf OnComponentChanged AddHandler m_changeService.ComponentChanging, AddressOf OnComponentChanging AddHandler m_changeService.ComponentAdded, AddressOf OnComponentAdded AddHandler m_changeService.ComponentAdding, AddressOf OnComponentAdding AddHandler m_changeService.ComponentRemoved, AddressOf OnComponentRemoved AddHandler m_changeService.ComponentRemoving, AddressOf OnComponentRemoving AddHandler m_changeService.ComponentRename, AddressOf OnComponentRename End If End Sub ' This method handles the OnComponentChanged event to display a notification. Private Sub OnComponentChanged(ByVal sender As Object, ByVal ce As ComponentChangedEventArgs) If Not (ce.Component Is Nothing) And Not (CType(ce.Component, IComponent).Site Is Nothing) And Not (ce.Member Is Nothing) Then OnUserChange(("The " + ce.Member.Name + " member of the " + CType(ce.Component, IComponent).Site.Name + " component has been changed.")) End If End Sub ' This method handles the OnComponentChanging event to display a notification. Private Sub OnComponentChanging(ByVal sender As Object, ByVal ce As ComponentChangingEventArgs) If Not (ce.Component Is Nothing) And Not (CType(ce.Component, IComponent).Site Is Nothing) And Not (ce.Member Is Nothing) Then OnUserChange(("The " + ce.Member.Name + " member of the " + CType(ce.Component, IComponent).Site.Name + " component is being changed.")) End If End Sub ' This method handles the OnComponentAdded event to display a notification. Private Sub OnComponentAdded(ByVal sender As Object, ByVal ce As ComponentEventArgs) OnUserChange(("A component, " + ce.Component.Site.Name + ", has been added.")) End Sub ' This method handles the OnComponentAdding event to display a notification. Private Sub OnComponentAdding(ByVal sender As Object, ByVal ce As ComponentEventArgs) OnUserChange(("A component of type " + (CType(ce.Component, Component)).GetType().FullName + " is being added.")) End Sub ' This method handles the OnComponentRemoved event to display a notification. Private Sub OnComponentRemoved(ByVal sender As Object, ByVal ce As ComponentEventArgs) OnUserChange(("A component, " + ce.Component.Site.Name + ", has been removed.")) End Sub ' This method handles the OnComponentRemoving event to display a notification. Private Sub OnComponentRemoving(ByVal sender As Object, ByVal ce As ComponentEventArgs) OnUserChange(("A component, " + ce.Component.Site.Name + ", is being removed.")) End Sub ' This method handles the OnComponentRename event to display a notification. Private Sub OnComponentRename(ByVal sender As Object, ByVal ce As ComponentRenameEventArgs) OnUserChange(("A component, " + ce.OldName + ", was renamed to " + ce.NewName + ".")) End Sub ' This method adds a specified notification message to the control's listbox. Private Sub OnUserChange(ByVal [text] As String) listBox1.Items.Add([text]) End Sub ' Clean up any resources being used. Protected Overloads Sub Dispose(ByVal disposing As Boolean) If disposing Then ClearChangeNotifications() If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub End Class End Namespace
using System; using System.Data; using System.Drawing; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Windows.Forms; /* This sample illustrates how to use the IComponentChangeService interface to handle component change events. The ComponentClass control attaches event handlers when it is sited in a document, and displays a message when notification that a component has been added, removed, or changed is received from the IComponentChangeService. To run this sample, add the ComponentClass control to a Form and add, remove, or change components to see the behavior of the component change event handlers. */ namespace IComponentChangeServiceExample { public class ComponentClass : System.Windows.Forms.UserControl { private System.ComponentModel.Container components = null; private System.Windows.Forms.ListBox listBox1; private IComponentChangeService m_changeService; public ComponentClass() { InitializeComponent(); } private void InitializeComponent() { this.listBox1 = new System.Windows.Forms.ListBox(); this.SuspendLayout(); // listBox1. this.listBox1.Location = new System.Drawing.Point(24, 16); this.listBox1.Name = "listBox1"; this.listBox1.Size = new System.Drawing.Size(576, 277); this.listBox1.TabIndex = 0; // ComponentClass. this.Controls.AddRange(new System.Windows.Forms.Control[] {this.listBox1}); this.Name = "ComponentClass"; this.Size = new System.Drawing.Size(624, 320); this.ResumeLayout(false); } // This override allows the control to register event handlers for IComponentChangeService events // at the time the control is sited, which happens only in design mode. public override ISite Site { get { return base.Site; } set { // Clear any component change event handlers. ClearChangeNotifications(); // Set the new Site value. base.Site = value; m_changeService = (IComponentChangeService)GetService(typeof(IComponentChangeService)); // Register event handlers for component change events. RegisterChangeNotifications(); } } private void ClearChangeNotifications() { // The m_changeService value is null when not in design mode, // as the IComponentChangeService is only available at design time. m_changeService = (IComponentChangeService)GetService(typeof(IComponentChangeService)); // Clear our the component change events to prepare for re-siting. if (m_changeService != null) { m_changeService.ComponentChanged -= new ComponentChangedEventHandler(OnComponentChanged); m_changeService.ComponentChanging -= new ComponentChangingEventHandler(OnComponentChanging); m_changeService.ComponentAdded -= new ComponentEventHandler(OnComponentAdded); m_changeService.ComponentAdding -= new ComponentEventHandler(OnComponentAdding); m_changeService.ComponentRemoved -= new ComponentEventHandler(OnComponentRemoved); m_changeService.ComponentRemoving -= new ComponentEventHandler(OnComponentRemoving); m_changeService.ComponentRename -= new ComponentRenameEventHandler(OnComponentRename); } } private void RegisterChangeNotifications() { // Register the event handlers for the IComponentChangeService events if (m_changeService != null) { m_changeService.ComponentChanged += new ComponentChangedEventHandler(OnComponentChanged); m_changeService.ComponentChanging += new ComponentChangingEventHandler(OnComponentChanging); m_changeService.ComponentAdded += new ComponentEventHandler(OnComponentAdded); m_changeService.ComponentAdding += new ComponentEventHandler(OnComponentAdding); m_changeService.ComponentRemoved += new ComponentEventHandler(OnComponentRemoved); m_changeService.ComponentRemoving += new ComponentEventHandler(OnComponentRemoving); m_changeService.ComponentRename += new ComponentRenameEventHandler(OnComponentRename); } } /* This method handles the OnComponentChanged event to display a notification. */ private void OnComponentChanged(object sender, ComponentChangedEventArgs ce) { if( ce.Component != null && ((IComponent)ce.Component).Site != null && ce.Member != null ) OnUserChange("The " + ce.Member.Name + " member of the " + ((IComponent)ce.Component).Site.Name + " component has been changed."); } /* This method handles the OnComponentChanging event to display a notification. */ private void OnComponentChanging(object sender, ComponentChangingEventArgs ce) { if( ce.Component != null && ((IComponent)ce.Component).Site != null && ce.Member != null ) OnUserChange("The " + ce.Member.Name + " member of the " + ((IComponent)ce.Component).Site.Name + " component is being changed."); } /* This method handles the OnComponentAdded event to display a notification. */ private void OnComponentAdded(object sender, ComponentEventArgs ce) { OnUserChange("A component, " + ce.Component.Site.Name + ", has been added."); } /* This method handles the OnComponentAdding event to display a notification. */ private void OnComponentAdding(object sender, ComponentEventArgs ce) { OnUserChange("A component of type " + ce.Component.GetType().FullName + " is being added."); } /* This method handles the OnComponentRemoved event to display a notification. */ private void OnComponentRemoved(object sender, ComponentEventArgs ce) { OnUserChange("A component, " + ce.Component.Site.Name + ", has been removed."); } /* This method handles the OnComponentRemoving event to display a notification. */ private void OnComponentRemoving(object sender, ComponentEventArgs ce) { OnUserChange("A component, " + ce.Component.Site.Name + ", is being removed."); } /* This method handles the OnComponentRename event to display a notification. */ private void OnComponentRename(object sender, ComponentRenameEventArgs ce) { OnUserChange("A component, " + ce.OldName + ", was renamed to " + ce.NewName +"."); } // This method adds a specified notification message to the control's listbox. private void OnUserChange(string text) { listBox1.Items.Add(text); } // Clean up any resources being used. protected override void Dispose( bool disposing ) { if( disposing ) { ClearChangeNotifications(); if(components != null) { components.Dispose(); } } base.Dispose( disposing ); } } }
#using <system.dll> #using <system.windows.forms.dll> #using <system.drawing.dll> using namespace System; using namespace System::Drawing; using namespace System::Collections; using namespace System::ComponentModel; using namespace System::ComponentModel::Design; using namespace System::Windows::Forms; /* This sample illustrates how to use the IComponentChangeService interface to handle component change events. The ComponentClass control attaches event handlers when it is sited in a document, and displays a message when notification that a component has been added, removed, or changed is received from the IComponentChangeService. To run this sample, add the ComponentClass control to a Form and add, remove, or change components to see the behavior of the component change event handlers. */ public ref class ComponentClass: public UserControl { private: System::ComponentModel::Container^ components; ListBox^ listBox1; IComponentChangeService^ m_changeService; void InitializeComponent() { this->listBox1 = gcnew ListBox; this->SuspendLayout(); // listBox1. this->listBox1->Location = System::Drawing::Point( 24, 16 ); this->listBox1->Name = "listBox1"; this->listBox1->Size = System::Drawing::Size( 576, 277 ); this->listBox1->TabIndex = 0; // ComponentClass. array<Control^>^myArray = {listBox1}; this->Controls->AddRange( myArray ); this->Name = "ComponentClass"; this->Size = System::Drawing::Size( 624, 320 ); this->ResumeLayout( false ); } void ClearChangeNotifications() { // The m_changeService value is 0 when not in design mode, // as the IComponentChangeService is only available at design time. m_changeService = dynamic_cast<IComponentChangeService^>(GetService( IComponentChangeService::typeid )); // Clear our the component change events to prepare for re-siting. if ( m_changeService != nullptr ) { m_changeService->ComponentChanged -= gcnew ComponentChangedEventHandler( this, &ComponentClass::OnComponentChanged ); m_changeService->ComponentChanging -= gcnew ComponentChangingEventHandler( this, &ComponentClass::OnComponentChanging ); m_changeService->ComponentAdded -= gcnew ComponentEventHandler( this, &ComponentClass::OnComponentAdded ); m_changeService->ComponentAdding -= gcnew ComponentEventHandler( this, &ComponentClass::OnComponentAdding ); m_changeService->ComponentRemoved -= gcnew ComponentEventHandler( this, &ComponentClass::OnComponentRemoved ); m_changeService->ComponentRemoving -= gcnew ComponentEventHandler( this, &ComponentClass::OnComponentRemoving ); m_changeService->ComponentRename -= gcnew ComponentRenameEventHandler( this, &ComponentClass::OnComponentRename ); } } void RegisterChangeNotifications() { // Register the event handlers for the IComponentChangeService events if ( m_changeService != nullptr ) { m_changeService->ComponentChanged += gcnew ComponentChangedEventHandler( this, &ComponentClass::OnComponentChanged ); m_changeService->ComponentChanging += gcnew ComponentChangingEventHandler( this, &ComponentClass::OnComponentChanging ); m_changeService->ComponentAdded += gcnew ComponentEventHandler( this, &ComponentClass::OnComponentAdded ); m_changeService->ComponentAdding += gcnew ComponentEventHandler( this, &ComponentClass::OnComponentAdding ); m_changeService->ComponentRemoved += gcnew ComponentEventHandler( this, &ComponentClass::OnComponentRemoved ); m_changeService->ComponentRemoving += gcnew ComponentEventHandler( this, &ComponentClass::OnComponentRemoving ); m_changeService->ComponentRename += gcnew ComponentRenameEventHandler( this, &ComponentClass::OnComponentRename ); } } /* This method handles the OnComponentChanged event to display a notification. */ void OnComponentChanged( Object^ /*sender*/, ComponentChangedEventArgs^ ce ) { if ( ce->Component != nullptr && static_cast<IComponent^>(ce->Component)->Site != nullptr && ce->Member != nullptr ) OnUserChange( "The " + ce->Member->Name + " member of the " + static_cast<IComponent^>(ce->Component)->Site->Name + " component has been changed." ); } /* This method handles the OnComponentChanging event to display a notification. */ void OnComponentChanging( Object^ /*sender*/, ComponentChangingEventArgs^ ce ) { if ( ce->Component != nullptr && static_cast<IComponent^>(ce->Component)->Site != nullptr && ce->Member != nullptr ) OnUserChange( "The " + ce->Member->Name + " member of the " + static_cast<IComponent^>(ce->Component)->Site->Name + " component is being changed." ); } /* This method handles the OnComponentAdded event to display a notification. */ void OnComponentAdded( Object^ /*sender*/, ComponentEventArgs^ ce ) { OnUserChange( "A component, " + ce->Component->Site->Name + ", has been added." ); } /* This method handles the OnComponentAdding event to display a notification. */ void OnComponentAdding( Object^ /*sender*/, ComponentEventArgs^ ce ) { OnUserChange( "A component of type " + ce->Component->GetType()->FullName + " is being added." ); } /* This method handles the OnComponentRemoved event to display a notification. */ void OnComponentRemoved( Object^ /*sender*/, ComponentEventArgs^ ce ) { OnUserChange( "A component, " + ce->Component->Site->Name + ", has been removed." ); } /* This method handles the OnComponentRemoving event to display a notification. */ void OnComponentRemoving( Object^ /*sender*/, ComponentEventArgs^ ce ) { OnUserChange( "A component, " + ce->Component->Site->Name + ", is being removed." ); } /* This method handles the OnComponentRename event to display a notification. */ void OnComponentRename( Object^ /*sender*/, ComponentRenameEventArgs^ ce ) { OnUserChange( "A component, " + ce->OldName + ", was renamed to " + ce->NewName + "." ); } // This method adds a specified notification message to the control's listbox. void OnUserChange( String^ text ) { listBox1->Items->Add( text ); } public: ComponentClass() { InitializeComponent(); } property ISite^ Site { // This override allows the control to register event handlers for IComponentChangeService events // at the time the control is sited, which happens only in design mode. virtual ISite^ get() override { return Site; } virtual void set( ISite^ value ) override { // Clear any component change event handlers. ClearChangeNotifications(); // Set the new Site value. Site = value; m_changeService = static_cast<IComponentChangeService^>(GetService( IComponentChangeService::typeid )); // Register event handlers for component change events. RegisterChangeNotifications(); } } // Clean up any resources being used. public: ~ComponentClass() { ClearChangeNotifications(); if ( components != nullptr ) { delete components; } } };
import System.*; import System.Data.*; import System.Drawing.*; import System.Collections.*; import System.ComponentModel.*; import System.ComponentModel.Design.*; import System.Windows.Forms.*; /* This sample illustrates how to use the IComponentChangeService interface to handle component change events. The ComponentClass control attaches event handlers when it is sited in a document, and displays a message when notification that a component has been added, removed, or changed is received from the IComponentChangeService. To run this sample, add the ComponentClass control to a Form and add, remove, or change components to see the behavior of the component change event handlers. */ public class ComponentClass extends System.Windows.Forms.UserControl { private System.ComponentModel.Container components = null; private System.Windows.Forms.ListBox listBox1; private IComponentChangeService m_changeService; public ComponentClass() { InitializeComponent(); } //ComponentClass private void InitializeComponent() { this.listBox1 = new System.Windows.Forms.ListBox(); this.SuspendLayout(); // listBox1. this.listBox1.set_Location(new System.Drawing.Point(24 ,16)); this.listBox1.set_Name("listBox1"); this.listBox1.set_Size(new System.Drawing.Size(576, 277)); this.listBox1.set_TabIndex(0); // ComponentClass. this.get_Controls().AddRange(new System.Windows.Forms.Control[] {this.listBox1 }); this.set_Name("ComponentClass"); this.set_Size(new System.Drawing.Size(624, 320)); this.ResumeLayout(false); } //InitializeComponent // This override allows the control to register event handlers for // IComponentChangeService events // at the time the control is sited, which happens only in design mode. /** @property */ public ISite get_Site() { return super.get_Site(); } //get_Site /** @property */ public void set_Site(ISite value) { // Clear any component change event handlers. ClearChangeNotifications(); // Set the new Site value. super.set_Site(value); m_changeService = (IComponentChangeService) GetService(IComponentChangeService.class.ToType()); // Register event handlers for component change events. RegisterChangeNotifications(); } //set_Site private void ClearChangeNotifications() { // The m_changeService value is null when not in design mode, // as the IComponentChangeService is only available at design time. m_changeService = (IComponentChangeService) GetService(IComponentChangeService.class.ToType()); // Clear our the component change events to prepare for re-siting. if (m_changeService != null) { m_changeService.remove_ComponentChanged(new ComponentChangedEventHandler(OnComponentChanged)); m_changeService.remove_ComponentChanging(new ComponentChangingEventHandler(OnComponentChanging)); m_changeService.remove_ComponentAdded(new ComponentEventHandler(OnComponentAdded)); m_changeService.remove_ComponentAdding(new ComponentEventHandler(OnComponentAdding)); m_changeService.remove_ComponentRemoved(new ComponentEventHandler(OnComponentRemoved)); m_changeService.remove_ComponentRemoving(new ComponentEventHandler(OnComponentRemoving)); m_changeService.remove_ComponentRename(new ComponentRenameEventHandler(OnComponentRename)); } } //ClearChangeNotifications private void RegisterChangeNotifications() { // Register the event handlers for the IComponentChangeService events if (m_changeService != null) { m_changeService.add_ComponentChanged(new ComponentChangedEventHandler(OnComponentChanged)); m_changeService.add_ComponentChanging(new ComponentChangingEventHandler(OnComponentChanging)); m_changeService.add_ComponentAdded(new ComponentEventHandler(OnComponentAdded)); m_changeService.add_ComponentAdding(new ComponentEventHandler(OnComponentAdding)); m_changeService.add_ComponentRemoved(new ComponentEventHandler(OnComponentRemoved)); m_changeService.add_ComponentRemoving(new ComponentEventHandler(OnComponentRemoving)); m_changeService.add_ComponentRename(new ComponentRenameEventHandler(OnComponentRename)); } } //RegisterChangeNotifications /* This method handles the OnComponentChanged event to // display a notification. */ private void OnComponentChanged(Object sender, ComponentChangedEventArgs ce) { if (ce.get_Component() != null && ((IComponent)ce.get_Component()).get_Site() != null && ce.get_Member() != null) { OnUserChange("The " + ce.get_Member().get_Name() + " member of the " + ((IComponent)ce.get_Component()).get_Site().get_Name() + " component has been changed."); } } //OnComponentChanged /* This method handles the OnComponentChanging event to display a notification. */ private void OnComponentChanging(Object sender, ComponentChangingEventArgs ce) { if (ce.get_Component() != null && ((IComponent)ce.get_Component()).get_Site() != null && ce.get_Member() != null) { OnUserChange(("The " + ce.get_Member().get_Name() + " member of the " + ((IComponent)ce.get_Component()).get_Site().get_Name() + " component is being changed.")); } } //OnComponentChanging /* This method handles the OnComponentAdded event to display a notification. */ private void OnComponentAdded(Object sender, ComponentEventArgs ce) { OnUserChange("A component, " + ce.get_Component().get_Site().get_Name() + ", has been added."); } //OnComponentAdded /* This method handles the OnComponentAdding event to display a notification. */ private void OnComponentAdding(Object sender, ComponentEventArgs ce) { OnUserChange("A component of type " + ce.get_Component().GetType().get_FullName() + " is being added."); } //OnComponentAdding /* This method handles the OnComponentRemoved event to display a notification. */ private void OnComponentRemoved(Object sender, ComponentEventArgs ce) { OnUserChange("A component, " + ce.get_Component().get_Site().get_Name() + ", has been removed."); } //OnComponentRemoved /* This method handles the OnComponentRemoving event to display a notification. */ private void OnComponentRemoving(Object sender, ComponentEventArgs ce) { OnUserChange("A component, " + ce.get_Component().get_Site().get_Name() + ", is being removed."); } //OnComponentRemoving /* This method handles the OnComponentRename event to display a notification. */ private void OnComponentRename(Object sender, ComponentRenameEventArgs ce) { OnUserChange("A component, " + ce.get_OldName() + ", was renamed to " + ce.get_NewName() + "."); } //OnComponentRename // This method adds a specified notification message // to the control's listbox. private void OnUserChange(String text) { listBox1.get_Items().Add(text); } //OnUserChange // Clean up any resources being used. protected void Dispose(boolean disposing) { if (disposing) { ClearChangeNotifications(); if (components != null) { components.Dispose(); } } super.Dispose(disposing); } //Dispose } //ComponentClass
プラットフォームWindows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。
バージョン情報参照IComponentChangeService メソッド
パブリック メソッド| 名前 | 説明 | |
|---|---|---|
.gif) | OnComponentChanged | コンポーネント変更サービスに対して、特定のコンポーネントが変更されたことを通知します。 |
| | OnComponentChanging | コンポーネント変更サービスに対して、特定のコンポーネントがこれから変更されることを通知します。 |
参照IComponentChangeService メンバ
コンポーネントの追加、変更、削除、または名前変更のイベントのイベント ハンドラを追加および削除するためのインターフェイスを提供すると共に、ComponentChanged イベントまたは ComponentChanging イベントを発生させるメソッドを提供します。
IComponentChangeService データ型で公開されるメンバを以下の表に示します。
パブリック メソッド| 名前 | 説明 | |
|---|---|---|
| | OnComponentChanged | コンポーネント変更サービスに対して、特定のコンポーネントが変更されたことを通知します。 |
| | OnComponentChanging | コンポーネント変更サービスに対して、特定のコンポーネントがこれから変更されることを通知します。 |
パブリック イベント| 名前 | 説明 | |
|---|---|---|
| | ComponentAdded | コンポーネントが追加されたときに発生します。 |
| | ComponentAdding | コンポーネントが追加されているときに発生します。 |
| | ComponentChanged | コンポーネントが変更されたときに発生します。 |
| | ComponentChanging | コンポーネントが変更されているときに発生します。 |
| | ComponentRemoved | コンポーネントが削除されたときに発生します。 |
| | ComponentRemoving | コンポーネントが削除されているときに発生します。 |
| | ComponentRename | コンポーネントの名前が変更されたときに発生します。 |
参照- IComponentChangeServiceのページへのリンク
