IDesignerHost インターフェイス
アセンブリ: System (system.dll 内)
構文
<ComVisibleAttribute(True)> _ Public Interface IDesignerHost Inherits IServiceContainer, IServiceProvider
[ComVisibleAttribute(true)] public interface class IDesignerHost : IServiceContainer, IServiceProvider
IDesignerHost は、.NET Framework のフォーム デザイナ アーキテクチャと連動し、デザイナのトランザクションおよびコンポーネントを管理できるようにするインターフェイスです。
.NET Framework は、このインターフェイスの実装を提供しません。このインターフェイスは、デザイナをサポートしている開発ツールによって実装されます。
呼び出し時の注意 開発環境から IDesignerHost の実装を取得するには、コンポーネントがデザイン モードでアクティブな間に GetService を呼び出します。これを行うには、IDesignerHost の型を渡して、IDesignerHost サービス インターフェイスを要求します。 IDesignerHost は、デザイナの状態に関連する次のメンバを提供します。デザイナまたは配置されたコンポーネントから、IDesignerHost サービス インターフェイスを取得する方法については、次のコード例を参照してください。
' Requests an IDesignerHost service from the design time environment using Component.Site.GetService() Dim host As IDesignerHost = CType(Me.Component.Site.GetService(GetType(IDesignerHost)), IDesignerHost)
// Requests an IDesignerHost service from the design time environment using Component.Site.GetService() IDesignerHost dh = (IDesignerHost) this.Component.Site.GetService(typeof(IDesignerHost));
// Requests an IDesignerHost service from the design time environment using Component.Site.GetService() IDesignerHost^ dh = static_cast<IDesignerHost^>(this->Component->Site->GetService( IDesignerHost::typeid ));
// Requests an IDesignerHost service from the design time // environment using Component.Site.GetService() IDesignerHost dh = (IDesignerHost)this.get_Component().get_Site(). GetService(IDesignerHost.class.ToType());
IDesignerHost インターフェイスを使用して、プロジェクトのコンポーネントの一覧を表示する方法については、次のコード例を参照してください。
Imports System Imports System.ComponentModel Imports System.ComponentModel.Design Imports System.Drawing Imports System.Windows.Forms Namespace IDesignerHostExample ' IDesignerHostExampleComponent is a component associated ' with the IDesignerHostExampleDesigner that demonstrates ' acquisition and use of the IDesignerHost service ' to list project components. <DesignerAttribute(GetType(IDesignerHostExampleDesigner))> _ Public Class IDesignerHostExampleComponent Inherits System.ComponentModel.Component Public Sub New() End Sub 'New Protected Overloads Sub Dispose(ByVal disposing As Boolean) MyBase.Dispose(disposing) End Sub End Class ' You can double-click the component of a IDesignerHostExampleDesigner ' to show a form containing a listbox that lists the name and type ' of each component or control in the current design-time project. <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _ Public Class IDesignerHostExampleDesigner Implements IDesigner Private component_ As System.ComponentModel.IComponent Public Sub New() End Sub 'New Public Sub DoDefaultAction() Implements IDesigner.DoDefaultAction ListComponents() End Sub Public Sub Initialize(ByVal component As System.ComponentModel.IComponent) Implements IDesigner.Initialize Me.component_ = component MessageBox.Show("Double-click the IDesignerHostExample component to view a list of project components.") End Sub ' Displays a list of components in the current design ' document when the default action of the designer is invoked. Private Sub ListComponents() Dim listform As New DesignerHostListForm() ' Obtain an IDesignerHost service from the design environment. Dim host As IDesignerHost = CType(Me.component.Site.GetService(GetType(IDesignerHost)), IDesignerHost) ' Get the project components container (control containment depends on Controls collections) Dim container As IContainer = host.Container ' Add each component's type name and name to the list box. Dim comp As Component For Each comp In container.Components listform.listBox1.Items.Add((comp.GetType().Name + " : " + component.Site.Name)) Next comp ' Display the form. listform.ShowDialog() End Sub Public ReadOnly Property Component() As System.ComponentModel.IComponent Implements IDesigner.Component Get Return component_ End Get End Property Public ReadOnly Property Verbs() As System.ComponentModel.Design.DesignerVerbCollection Implements IDesigner.Verbs Get Dim dvc As New DesignerVerbCollection() dvc.Add(New DesignerVerb("List Components", New EventHandler(AddressOf ListHandler))) Return dvc End Get End Property Private Sub ListHandler(ByVal sender As Object, ByVal e As EventArgs) ListComponents() End Sub Public Sub Dispose() Implements IDisposable.Dispose End Sub End Class _ ' Provides a form containing a list box that can display ' a list of project components. Public Class DesignerHostListForm Inherits System.Windows.Forms.Form Public listBox1 As System.Windows.Forms.ListBox Private ok_button As System.Windows.Forms.Button Public Sub New() Me.Name = "DesignerHostListForm" Me.Text = "List of design-time project components" Me.SuspendLayout() Me.listBox1 = New System.Windows.Forms.ListBox() Me.listBox1.Location = New System.Drawing.Point(8, 8) Me.listBox1.Name = "listBox1" Me.listBox1.Size = New System.Drawing.Size(385, 238) Me.listBox1.TabIndex = 0 Me.listBox1.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) Or System.Windows.Forms.AnchorStyles.Right) Me.ok_button = New System.Windows.Forms.Button() Me.ok_button.DialogResult = System.Windows.Forms.DialogResult.OK Me.ok_button.Location = New System.Drawing.Point(232, 256) Me.ok_button.Name = "ok_button" Me.ok_button.TabIndex = 1 Me.ok_button.Text = "OK" Me.ok_button.Anchor = (System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right) Me.ClientSize = New System.Drawing.Size(400, 285) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.ok_button, Me.listBox1}) Me.ResumeLayout(False) End Sub Protected Overloads Sub Dispose(ByVal disposing As Boolean) MyBase.Dispose(disposing) End Sub End Class End Namespace
using System; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing; using System.Windows.Forms; namespace IDesignerHostExample { // IDesignerHostExampleComponent is a component associated // with the IDesignerHostExampleDesigner that demonstrates // acquisition and use of the IDesignerHost service // to list project components. [DesignerAttribute(typeof(IDesignerHostExampleDesigner))] public class IDesignerHostExampleComponent : System.ComponentModel.Component { public IDesignerHostExampleComponent() {} protected override void Dispose( bool disposing ) { base.Dispose( disposing ); } } // You can double-click the component of an IDesignerHostExampleDesigner // to show a form containing a listbox that lists the name and type // of each component or control in the current design-time project. [System.Security.Permissions.PermissionSet(System.Security.Permissions.SecurityAction.Demand, Name = "FullTrust")] public class IDesignerHostExampleDesigner : IDesigner { private System.ComponentModel.IComponent component; public IDesignerHostExampleDesigner() {} public void DoDefaultAction() { ListComponents(); } public void Initialize(System.ComponentModel.IComponent component) { this.component = component; MessageBox.Show("Double-click the IDesignerHostExample component to view a list of project components."); } // Displays a list of components in the current design // document when the default action of the designer is invoked. private void ListComponents() { DesignerHostListForm listform = new DesignerHostListForm(); // Obtain an IDesignerHost service from the design environment. IDesignerHost host = (IDesignerHost)this.component.Site.GetService(typeof(IDesignerHost)); // Get the project components container (control containment depends on Controls collections) IContainer container = host.Container; // Add each component's type name and name to the list box. foreach(IComponent component in container.Components) { listform.listBox1.Items.Add(component.GetType().Name + " : " + component.Site.Name); } // Display the form. listform.ShowDialog(); } public System.ComponentModel.IComponent Component { get { return this.component; } } public System.ComponentModel.Design.DesignerVerbCollection Verbs { get { DesignerVerbCollection dvc = new DesignerVerbCollection(); dvc.Add( new DesignerVerb("List Components", new EventHandler(ListHandler)) ); return dvc; } } private void ListHandler(object sender, EventArgs e) { ListComponents(); } public void Dispose() { } } // Provides a form containing a listbox that can display // a list of project components. public class DesignerHostListForm : System.Windows.Forms.Form { public System.Windows.Forms.ListBox listBox1; private System.Windows.Forms.Button ok_button; public DesignerHostListForm() { this.Name = "DesignerHostListForm"; this.Text = "List of design-time project components"; this.SuspendLayout(); this.listBox1 = new System.Windows.Forms.ListBox(); this.listBox1.Location = new System.Drawing.Point(8, 8); this.listBox1.Name = "listBox1"; this.listBox1.Size = new System.Drawing.Size(385, 238); this.listBox1.TabIndex = 0; this.listBox1.Anchor = (((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) | System.Windows.Forms.AnchorStyles.Left) | System.Windows.Forms.AnchorStyles.Right); this.ok_button = new System.Windows.Forms.Button(); this.ok_button.DialogResult = System.Windows.Forms.DialogResult.OK; this.ok_button.Location = new System.Drawing.Point(232, 256); this.ok_button.Name = "ok_button"; this.ok_button.TabIndex = 1; this.ok_button.Text = "OK"; this.ok_button.Anchor = (System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right); this.ClientSize = new System.Drawing.Size(400, 285); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.ok_button, this.listBox1 }); this.ResumeLayout(false); } protected override void Dispose( bool disposing ) { base.Dispose( disposing ); } } }
#using <System.Windows.Forms.dll> #using <System.Drawing.dll> #using <System.dll> using namespace System; using namespace System::ComponentModel; using namespace System::ComponentModel::Design; using namespace System::Drawing; using namespace System::Windows::Forms; using namespace System::Security::Permissions; // Provides a form containing a listbox that can display // a list of project components. public ref class DesignerHostListForm: public System::Windows::Forms::Form { public: System::Windows::Forms::ListBox^ listBox1; private: System::Windows::Forms::Button^ ok_button; public: DesignerHostListForm() { this->Name = "DesignerHostListForm"; this->Text = "List of design-time project components"; this->SuspendLayout(); this->listBox1 = gcnew System::Windows::Forms::ListBox; this->listBox1->Location = System::Drawing::Point( 8, 8 ); this->listBox1->Name = "listBox1"; this->listBox1->Size = System::Drawing::Size( 385, 238 ); this->listBox1->TabIndex = 0; this->listBox1->Anchor = static_cast<AnchorStyles>(((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom) | System::Windows::Forms::AnchorStyles::Left) | System::Windows::Forms::AnchorStyles::Right); this->ok_button = gcnew System::Windows::Forms::Button; this->ok_button->DialogResult = System::Windows::Forms::DialogResult::OK; this->ok_button->Location = System::Drawing::Point( 232, 256 ); this->ok_button->Name = "ok_button"; this->ok_button->TabIndex = 1; this->ok_button->Text = "OK"; this->ok_button->Anchor = static_cast<AnchorStyles>(System::Windows::Forms::AnchorStyles::Bottom | System::Windows::Forms::AnchorStyles::Right); this->ClientSize = System::Drawing::Size( 400, 285 ); array<System::Windows::Forms::Control^>^temp2 = {this->ok_button ,this->listBox1}; this->Controls->AddRange( temp2 ); this->ResumeLayout( false ); } public: ~DesignerHostListForm() { } }; // You can double-click the component of an IDesignerHostExampleDesigner // to show a form containing a listbox that lists the name and type // of each component or control in the current design-time project. public ref class IDesignerHostExampleDesigner: public IDesigner { private: System::ComponentModel::IComponent^ component; public: IDesignerHostExampleDesigner(){} virtual void DoDefaultAction() { ListComponents(); } virtual void Initialize( System::ComponentModel::IComponent^ component ) { this->component = component; MessageBox::Show( "Double-click the IDesignerHostExample component to view a list of project components." ); } private: // Displays a list of components in the current design // document when the default action of the designer is invoked. void ListComponents() { DesignerHostListForm^ listform = gcnew DesignerHostListForm; // Obtain an IDesignerHost service from the design environment. IDesignerHost^ host = dynamic_cast<IDesignerHost^>(this->component->Site->GetService( IDesignerHost::typeid )); // Get the project components container (control containment depends on Controls collections) IContainer^ container = host->Container; // Add each component's type name and name to the list box. System::Collections::IEnumerator^ myEnum = container->Components->GetEnumerator(); while ( myEnum->MoveNext() ) { IComponent^ component = safe_cast<IComponent^>(myEnum->Current); listform->listBox1->Items->Add( String::Concat( component->GetType()->Name, " : ", component->Site->Name ) ); } listform->ShowDialog(); } public: property System::ComponentModel::IComponent^ Component { virtual System::ComponentModel::IComponent^ get() { return this->component; } } property System::ComponentModel::Design::DesignerVerbCollection^ Verbs { [PermissionSetAttribute(SecurityAction::Demand, Name="FullTrust")] virtual System::ComponentModel::Design::DesignerVerbCollection^ get() { DesignerVerbCollection^ dvc = gcnew DesignerVerbCollection; dvc->Add( gcnew DesignerVerb( "List Components",gcnew EventHandler( this, &IDesignerHostExampleDesigner::ListHandler ) ) ); return dvc; } } private: void ListHandler( Object^ /*sender*/, EventArgs^ /*e*/ ) { ListComponents(); } public: ~IDesignerHostExampleDesigner(){} }; // IDesignerHostExampleComponent is a component associated // with the IDesignerHostExampleDesigner that demonstrates // acquisition and use of the IDesignerHost service // to list project components. [DesignerAttribute(IDesignerHostExampleDesigner::typeid)] public ref class IDesignerHostExampleComponent: public System::ComponentModel::Component { public: IDesignerHostExampleComponent(){} public: ~IDesignerHostExampleComponent(){} };
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。
参照
- IDesignerHost インターフェイスのページへのリンク