IReferenceService インターフェイスとは？ わかりやすく解説

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IReferenceService インターフェイス

名前や型でプロジェクト内のオブジェクトへの参照を取得したり、指定したオブジェクトの名前を取得したり、デザイナ プロジェクト内で指定したオブジェクトの親を見つけたりするためのインターフェイスを提供します。

名前空間: System.ComponentModel.Design
アセンブリ: System (system.dll 内)
構文構文

Visual Basic (宣言)
Public Interface IReferenceService
Visual Basic (使用法)
Dim instance As IReferenceService
C#
public interface IReferenceService
C++
public interface class IReferenceService
J#
public interface IReferenceService
JScript
public interface IReferenceService
解説解説

IReferenceService インターフェイスには、次のメソッドを提供します。

使用例使用例

IReferenceService インターフェイスの GetReferences メソッドを使用して、現在選択されているコンポーネントの型を持つ、現在のデザイン モード プロジェクト内のコンポーネントの一覧を取得するコントロールの例を次に示します。

Visual Basic
Imports System
Imports System.Collections
Imports System.ComponentModel
Imports System.ComponentModel.Design
Imports System.Drawing
Imports System.Data
Imports System.Windows.Forms

Namespace IReferenceServiceExample

    ' This control displays the name and type of the primary selection
 
    ' component in design mode, if there is one,
    ' and uses the IReferenceService interface to display the names
 of 
    ' any components of the type of the primary selected component.
    
    ' This control uses the IComponentChangeService to monitor for 
    ' selection changed events.    
    Public Class IReferenceServiceControl
        Inherits System.Windows.Forms.UserControl
        ' Indicates the name of the type of the selected component,
 or "None selected."
        Private selected_typename As String
        ' Indicates the name of the base type of the selected component,
 or "None selected."
        Private selected_basetypename As String
        ' Indicates the name of the selected component.
        Private selected_componentname As String
        ' Contains the names of components of the type of the selected
 
        ' component in design mode.
        Private typeComponents() As String
        ' Contains the names of components of the base type of the selected
 component in design mode.
        Private basetypeComponents() As String
        ' Reference to the IComponentChangeService for the current component.
        Private selectionService As ISelectionService

        Public Sub New()
            ' Initializes the control properties.
            Me.BackColor = Color.White
            Me.SetStyle(ControlStyles.ResizeRedraw, True)
            Me.Name = "IReferenceServiceControl"
            Me.Size = New System.Drawing.Size(500,
 250)
            ' Initializes the data properties.
            typeComponents = New String(0)
 {}
            basetypeComponents = New String(0)
 {}
            selected_typename = "None selected."
            selected_basetypename = "None selected."
            selected_componentname = "None selected."
            selectionService = Nothing
        End Sub

        ' Registers and unregisters design-mode services when 
        ' the component is sited and unsited.
        Public Overrides Property
 Site() As System.ComponentModel.ISite
            Get
                ' Returns the site for the control.
                Return MyBase.Site
            End Get
            Set(ByVal Value As
 System.ComponentModel.ISite)
                ' The site is set to null when a component is cut or
 
                ' removed from a design-mode site.

                ' If an event handler has already been linked with 
                ' an ISelectionService, remove the handler.
                If Not (selectionService Is
 Nothing) Then
                    RemoveHandler selectionService.SelectionChanged,
 AddressOf Me.OnSelectionChanged
                End If

                ' Sites the control.
                MyBase.Site = Value

                ' Obtains an ISelectionService interface to register
 
                ' the selection changed event handler with.
                selectionService = CType(Me.GetService(GetType(ISelectionService)),
 ISelectionService)
                If Not (selectionService Is
 Nothing) Then
                    AddHandler selectionService.SelectionChanged,
 AddressOf Me.OnSelectionChanged
                    ' Updates the display for the current selection,
 if any.
                    DisplayComponentsOfSelectedComponentType()
                End If
            End Set
        End Property

        ' Updates the display according to the primary selected component,
 
        ' if any, and the names of design-mode components that the 
        ' IReferenceService returns references for when queried for
 
        ' references to components of the primary selected component's
 
        ' type and base type.
        Private Sub DisplayComponentsOfSelectedComponentType()
            ' If a component is selected...
            If Not (selectionService.PrimarySelection
 Is Nothing) Then
                ' Sets the selected type name and selected component
 name 
                ' to the type and name of the primary selected component.
                selected_typename = selectionService.PrimarySelection.GetType().FullName
                selected_basetypename = selectionService.PrimarySelection.GetType().BaseType.FullName
                selected_componentname = CType(selectionService.PrimarySelection,
 IComponent).Site.Name

                ' Obtain an IReferenceService and obtain references
 to 
                ' each component in the design-mode project.
                ' of the selected component's type and base type.
                Dim rs As IReferenceService
 = CType(Me.GetService(GetType(IReferenceService)),
 IReferenceService)
                If Not (rs Is
 Nothing) Then
                    ' Get references to design-mode components of the
 
                    ' primary selected component's type.
                    Dim comps As Object()
 = CType(rs.GetReferences(selectionService.PrimarySelection.GetType()), Object())
                    typeComponents = New String(comps.Length)
 {}
                    Dim i As Integer
                    For i = 0 To comps.Length
 - 1
                        typeComponents(i) = CType(comps(i), IComponent).Site.Name
                    Next i
                    ' Get references to design-mode components with
 a base type 
                    ' of the primary selected component's base type.
                    comps = CType(rs.GetReferences(selectionService.PrimarySelection.GetType().BaseType),
 Object())
                    basetypeComponents = New String(comps.Length)
 {}               
                    For i = 0 To comps.Length
 - 1
                        basetypeComponents(i) = CType(comps(i), IComponent).Site.Name
                    Next i
                End If
            Else
                selected_typename = "None selected."
                selected_basetypename = "None selected."
                selected_componentname = "None selected."
                typeComponents = New String(0)
 {}
                basetypeComponents = New String(0)
 {}
            End If
            Me.Refresh()
        End Sub 'DisplayComponentsOfSelectedComponentType

        Private Sub OnSelectionChanged(ByVal
 sender As Object, ByVal
 e As EventArgs)
            DisplayComponentsOfSelectedComponentType()
        End Sub 'OnSelectionChanged

        Protected Overrides Sub
 OnPaint(ByVal e As System.Windows.Forms.PaintEventArgs)
            e.Graphics.DrawString("IReferenceService Example Control",
 New Font(FontFamily.GenericMonospace, 9), New
 SolidBrush(Color.Blue), 5, 5)

            e.Graphics.DrawString("Primary Selected Component
 from IComponentChangeService:", New Font(FontFamily.GenericMonospace,
 8), New SolidBrush(Color.Red), 5, 20)
            e.Graphics.DrawString("Name:      " +
 selected_componentname, New Font(FontFamily.GenericMonospace,
 8), New SolidBrush(Color.Black), 10, 32)
            e.Graphics.DrawString("Type:      " +
 selected_typename, New Font(FontFamily.GenericMonospace, 8),
 New SolidBrush(Color.Black), 10, 44)
            e.Graphics.DrawString("Base Type: " +
 selected_basetypename, New Font(FontFamily.GenericMonospace,
 8), New SolidBrush(Color.Black), 10, 56)
            e.Graphics.DrawLine(New Pen(New
 SolidBrush(Color.Black), 1), 5, 77, Me.Width - 10, 77)

            e.Graphics.DrawString("Components of Type from IReferenceService:",
 New Font(FontFamily.GenericMonospace, 8), New
 SolidBrush(Color.Red), 5, 85)
            If selected_typename <> "None
 selected." Then
                Dim i As Integer
                For i = 0 To typeComponents.Length
 - 1
                    e.Graphics.DrawString(typeComponents(i), New
 Font(FontFamily.GenericMonospace, 8), New SolidBrush(Color.Black),
 20, 97 + i * 12)
                Next i
            End If
            e.Graphics.DrawString("Components of Base Type from
 IReferenceService:", New Font(FontFamily.GenericMonospace,
 8), New SolidBrush(Color.Red), 5, 109 + typeComponents.Length * 12)
            If selected_typename <> "None
 selected." Then
                Dim i As Integer
                For i = 0 To basetypeComponents.Length
 - 1
                    e.Graphics.DrawString(basetypeComponents(i), New
 Font(FontFamily.GenericMonospace, 8), New SolidBrush(Color.Black),
 20, 121 + typeComponents.Length * 12 + i * 12)
                Next i
            End If
        End Sub 'OnPaint

    End Class 'IReferenceServiceControl
End Namespace 'IReferenceServiceExample
C#
using System;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Data;
using System.Windows.Forms;

namespace IReferenceServiceExample
{
    // This control displays the name and type of the primary selection
 
    // component in design mode, if there is one,
    // and uses the IReferenceService interface to display the names
 of 
    // any components of the type of the primary selected component.
    
    // This control uses the IComponentChangeService to monitor for
 
    // selection changed events.
    public class IReferenceServiceControl :
 System.Windows.Forms.UserControl
    {
            // Indicates the name of the type of the selected component,
 or "None selected.".
            private string selected_typename;
            // Indicates the name of the base type of the selected component,
 or "None selected."
            private string selected_basetypename;
            // Indicates the name of the selected component.
            private string selected_componentname;
            // Contains the names of components of the type of the selected
 
            // component in design mode.
            private string[] typeComponents;
            // Contains the names of components of the base type of
 the selected component in design mode.
            private string[] basetypeComponents;
            // Reference to the IComponentChangeService for the current
 component.
            private ISelectionService selectionService;
        
            public IReferenceServiceControl()
            {
                // Initializes the control properties.
                this.BackColor = Color.White;
                this.SetStyle(ControlStyles.ResizeRedraw, true);
                this.Name = "IReferenceServiceControl";
                this.Size = new System.Drawing.Size(500,
 250);                                    
                // Initializes the data properties.
                typeComponents = new string[0];
                basetypeComponents = new string[0];
                selected_typename = "None selected.";
                selected_basetypename = "None selected.";
                selected_componentname = "None selected.";
                selectionService = null;
            }

            // Registers and unregisters design-mode services when 
            // the component is sited and unsited.
            public override System.ComponentModel.ISite Site
            {
                get
                {
                    // Returns the site for the control.
                    return base.Site;
                }
                set
                {
                    // The site is set to null when a component is cut
 or 
                    // removed from a design-mode site.

                    // If an event handler has already been linked with
 
                    // an ISelectionService, remove the handler.
                    if(selectionService != null)
                        selectionService.SelectionChanged -= new
 EventHandler(this.OnSelectionChanged);

                    // Sites the control.
                    base.Site = value;
                
                    // Obtains an ISelectionService interface to register
 
                    // the selection changed event handler with.
                    selectionService = (ISelectionService)this.GetService(typeof(ISelectionService));
                    if( selectionService!= null
 )
                    {
                        selectionService.SelectionChanged += new
 EventHandler(this.OnSelectionChanged);
                        // Updates the display for the current selection,
 if any.
                        DisplayComponentsOfSelectedComponentType();
                    }
                }
            }

            // Updates the display according to the primary selected
 component, 
            // if any, and the names of design-mode components that
 the 
            // IReferenceService returns references for when queried
 for 
            // references to components of the primary selected component's
 
            // type and base type.
            private void DisplayComponentsOfSelectedComponentType()
            {
                // If a component is selected...
                if( selectionService.PrimarySelection != null
 )
                {              
                    // Sets the selected type name and selected component
 name to the type and name of the primary selected component.
                    selected_typename = selectionService.PrimarySelection.GetType().FullName;
                    selected_basetypename = selectionService.PrimarySelection.GetType().BaseType.FullName;
                    selected_componentname = ((IComponent)selectionService.PrimarySelection).Site.Name;
                

                    // Obtain an IReferenceService and obtain references
 to 
                    // each component in the design-mode project
                    // of the selected component's type and base type.
                    IReferenceService rs = (IReferenceService)this.GetService(typeof(IReferenceService));
                    if( rs != null )
                    {
                        // Get references to design-mode components
 of the 
                        // primary selected component's type.
                        object[] comps = (object[])rs.GetReferences( selectionService.PrimarySelection.GetType()
 );
                        typeComponents = new string[comps.Length];
                        for(int i=0; i<comps.Length;
 i++)
                            typeComponents[i] = ((IComponent)comps[i]).Site.Name;
   
                        // Get references to design-mode components
 with a base type 
                        // of the primary selected component's base
 type.
                        comps = (object[])rs.GetReferences( selectionService.PrimarySelection.GetType().BaseType
 );
                        basetypeComponents = new string[comps.Length];
                        for(int i=0; i<comps.Length;
 i++)
                            basetypeComponents[i] = ((IComponent)comps[i]).Site.Name;
                    }
                }
                else
                {
                    selected_typename = "None selected.";
                    selected_basetypename = "None selected.";
                    selected_componentname = "None selected.";
                    typeComponents = new string[0];
                    basetypeComponents = new string[0];
                }
                this.Refresh();
            }

            private void OnSelectionChanged(object
 sender, EventArgs e)
            {
                DisplayComponentsOfSelectedComponentType();
            }

            protected override void OnPaint(System.Windows.Forms.PaintEventArgs
 e)
            {
                e.Graphics.DrawString("IReferenceService Example Control",
 new Font(FontFamily.GenericMonospace, 9), new
 SolidBrush(Color.Blue), 5, 5);

                e.Graphics.DrawString("Primary Selected Component from IComponentChangeService:",
 new Font(FontFamily.GenericMonospace, 8), new
 SolidBrush(Color.Red), 5, 20);
                e.Graphics.DrawString("Name:      "+selected_componentname,
 new Font(FontFamily.GenericMonospace, 8), new
 SolidBrush(Color.Black), 10, 32);
                e.Graphics.DrawString("Type:      "+selected_typename,
 new Font(FontFamily.GenericMonospace, 8), new
 SolidBrush(Color.Black), 10, 44);
                e.Graphics.DrawString("Base Type: "+selected_basetypename,
 new Font(FontFamily.GenericMonospace, 8), new
 SolidBrush(Color.Black), 10, 56);
                e.Graphics.DrawLine(new Pen(new
 SolidBrush(Color.Black), 1), 5, 77, this.Width-5, 77);
            
                e.Graphics.DrawString("Components of Type from IReferenceService:",
 new Font(FontFamily.GenericMonospace, 8), new
 SolidBrush(Color.Red), 5, 85);                        
                if( selected_typename != "None selected."
 )
                    for(int i=0; i<typeComponents.Length;
 i++)
                        e.Graphics.DrawString(typeComponents[i], new
 Font(FontFamily.GenericMonospace, 8), new SolidBrush(Color.Black),
 20, 97+(i*12));
            
                e.Graphics.DrawString("Components of Base Type from IReferenceService:",
 new Font(FontFamily.GenericMonospace, 8), new
 SolidBrush(Color.Red), 5, 109+(typeComponents.Length*12));
                if( selected_typename != "None selected."
 )
                    for(int i=0; i<basetypeComponents.Length;
 i++)
                        e.Graphics.DrawString(basetypeComponents[i], new
 Font(FontFamily.GenericMonospace, 8), new SolidBrush(Color.Black),
 20, 121+(typeComponents.Length*12)+(i*12));
            }
    }
}
C++
#using <System.Windows.Forms.dll>
#using <System.Data.dll>
#using <System.Drawing.dll>
#using <System.dll>

using namespace System;
using namespace System::Collections;
using namespace System::ComponentModel;
using namespace System::ComponentModel::Design;
using namespace System::Drawing;
using namespace System::Data;
using namespace System::Windows::Forms;

// This control displays the name and type of the primary selection
 
// component in design mode, if there is one,
// and uses the IReferenceService interface to display the names of
 
// any components of the type of the primary selected component.   
 
// This control uses the IComponentChangeService to monitor for 
// selection changed events.
public ref class IReferenceServiceControl:
 public System::Windows::Forms::UserControl
{
private:

   // Indicates the name of the type of the selected component, or "None
 selected.".
   String^ selected_typename;

   // Indicates the name of the base type of the selected component,
 or "None selected."
   String^ selected_basetypename;

   // Indicates the name of the selected component.
   String^ selected_componentname;

   // Contains the names of components of the type of the selected 
   // component in design mode.
   array<String^>^typeComponents;

   // Contains the names of components of the base type of the selected
 component in design mode.
   array<String^>^basetypeComponents;

   // Reference to the IComponentChangeService for the current component.
   ISelectionService^ selectionService;

public:
   IReferenceServiceControl()
   {
      // Initializes the control properties.
      this->BackColor = Color::White;
      this->SetStyle( ControlStyles::ResizeRedraw, true
 );
      this->Name = "IReferenceServiceControl";
      this->Size = System::Drawing::Size( 500, 250 );

      // Initializes the data properties.
      typeComponents = gcnew array<String^>(0);
      basetypeComponents = gcnew array<String^>(0);
      selected_typename = "None selected.";
      selected_basetypename = "None selected.";
      selected_componentname = "None selected.";
      selectionService = nullptr;
   }


   property System::ComponentModel::ISite^ Site 
   {
      // Registers and unregisters design-mode services when 
      // the component is sited and unsited.
      virtual System::ComponentModel::ISite^ get() override
      {
         // Returns the site for the control.
         return __super::Site;
      }

      virtual void set( System::ComponentModel::ISite^
 value ) override
      {
         // The site is set to null when a component is cut or 
         // removed from a design-mode site.
         // If an event handler has already been linked with 
         // an ISelectionService, remove the handler.
         if ( selectionService != nullptr )
                  selectionService->SelectionChanged -= gcnew EventHandler( this,
 &IReferenceServiceControl::OnSelectionChanged );

         // Sites the control.
         __super::Site = value;

         // Obtains an ISelectionService interface to register 
         // the selection changed event handler with.
         selectionService = dynamic_cast<ISelectionService^>(this->GetService(
 ISelectionService::typeid ));
         if ( selectionService != nullptr )
         {
            selectionService->SelectionChanged += gcnew EventHandler( this,
 &IReferenceServiceControl::OnSelectionChanged );

            // Updates the display for the current selection, if any.
            DisplayComponentsOfSelectedComponentType();
         }
      }
   }

private:

   // Updates the display according to the primary selected component,
 
   // if any, and the names of design-mode components that the 
   // IReferenceService returns references for when queried for 
   // references to components of the primary selected component's 
   // type and base type.
   void DisplayComponentsOfSelectedComponentType()
   {
      // If a component is selected...
      if ( selectionService->PrimarySelection != nullptr )
      {
         // Sets the selected type name and selected component name
 to the type and name of the primary selected component.
         selected_typename = selectionService->PrimarySelection->GetType()->FullName;
         selected_basetypename = selectionService->PrimarySelection->GetType()->BaseType->FullName;
         selected_componentname = (dynamic_cast<IComponent^>(selectionService->PrimarySelection))->Site->Name;

         // Obtain an IReferenceService and obtain references to 
         // each component in the design-mode project
         // of the selected component's type and base type.
         IReferenceService^ rs = dynamic_cast<IReferenceService^>(this->GetService(
 IReferenceService::typeid ));
         if ( rs != nullptr )
         {
            // Get references to design-mode components of the 
            // primary selected component's type.
            array<Object^>^comps = (array<Object^>^)rs->GetReferences(
 selectionService->PrimarySelection->GetType() );
            typeComponents = gcnew array<String^>(comps->Length);
            for ( int i = 0; i < comps->Length;
 i++ )
               typeComponents[ i ] = (dynamic_cast<IComponent^>(comps[ i ]))->Site->Name;

            // Get references to design-mode components with a base
 type 
            // of the primary selected component's base type.
            comps = (array<Object^>^)rs->GetReferences( selectionService->PrimarySelection->GetType()->BaseType
 );
            basetypeComponents = gcnew array<String^>(comps->Length);
            for ( int i = 0; i < comps->Length;
 i++ )
               basetypeComponents[ i ] = (dynamic_cast<IComponent^>(comps[
 i ]))->Site->Name;
         }
      }
      else
      {
         selected_typename = "None selected.";
         selected_basetypename = "None selected.";
         selected_componentname = "None selected.";
         typeComponents = gcnew array<String^>(0);
         basetypeComponents = gcnew array<String^>(0);
      }

      this->Refresh();
   }

   void OnSelectionChanged( Object^ /*sender*/, EventArgs^ /*e*/
 )
   {
      DisplayComponentsOfSelectedComponentType();
   }


protected:
   virtual void OnPaint( System::Windows::Forms::PaintEventArgs^
 e ) override
   {
      e->Graphics->DrawString( "IReferenceService Example Control",
 gcnew System::Drawing::Font( FontFamily::GenericMonospace,9 ), gcnew SolidBrush(
 Color::Blue ), 5, 5 );
      e->Graphics->DrawString( "Primary Selected Component from IComponentChangeService:",
 gcnew System::Drawing::Font( FontFamily::GenericMonospace,8 ), gcnew SolidBrush(
 Color::Red ), 5, 20 );
      e->Graphics->DrawString( String::Format( "Name:      {0}",
 selected_componentname ), gcnew System::Drawing::Font( FontFamily::GenericMonospace,8
 ), gcnew SolidBrush( Color::Black ), 10, 32 );
      e->Graphics->DrawString( String::Format( "Type:      {0}",
 selected_typename ), gcnew System::Drawing::Font( FontFamily::GenericMonospace,8
 ), gcnew SolidBrush( Color::Black ), 10, 44 );
      e->Graphics->DrawString( String::Format( "Base Type: {0}",
 selected_basetypename ), gcnew System::Drawing::Font( FontFamily::GenericMonospace,8
 ), gcnew SolidBrush( Color::Black ), 10, 56 );
      e->Graphics->DrawLine( gcnew Pen( gcnew SolidBrush( Color::Black ),1
 ), 5, 77, this->Width - 5, 77 );
      e->Graphics->DrawString( "Components of Type from IReferenceService:",
 gcnew System::Drawing::Font( FontFamily::GenericMonospace,8 ), gcnew SolidBrush(
 Color::Red ), 5, 85 );
      if (  !selected_typename->Equals( "None selected."
 ) )
            for ( int i = 0; i < typeComponents->Length;
 i++ )
         e->Graphics->DrawString( typeComponents[ i ], gcnew System::Drawing::Font(
 FontFamily::GenericMonospace,8 ), gcnew SolidBrush( Color::Black ), 20.f, 97.f
 + (i * 12) );

      e->Graphics->DrawString( "Components of Base Type from IReferenceService:",
 gcnew System::Drawing::Font( FontFamily::GenericMonospace,8 ), gcnew SolidBrush(
 Color::Red ), 5.f, 109.f + (typeComponents->Length * 12) );
      if (  !selected_typename->Equals( "None selected."
 ) )
            for ( int i = 0; i < basetypeComponents->Length;
 i++ )
         e->Graphics->DrawString( basetypeComponents[ i ], gcnew System::Drawing::Font(
 FontFamily::GenericMonospace,8 ), gcnew SolidBrush( Color::Black ), 20.f, 121.f
 + (typeComponents->Length * 12) + (i * 12) );
   }
};
J#
package IReferenceServiceExample; 

import System.*;
import System.Collections.*;
import System.ComponentModel.*;
import System.ComponentModel.Design.*;
import System.Drawing.*;
import System.Data.*;
import System.Windows.Forms.*;

// This control displays the name and type of the primary selection
 
// component in design mode, if there is one,
// and uses the IReferenceService interface to display the names of
 
// any components of the type of the primary selected component.   
 
// This control uses the IComponentChangeService to monitor for 
// selection changed events.
public class IReferenceServiceControl extends
 System.Windows.Forms.UserControl
{
    // Indicates the name of the type of the selected 
    //component, or "None selected.".
    private String selected_TypeName;

    // Indicates the name of the base type of the selected 
    //component, or "None selected."
    private String selected_BaseTypeName;

    // Indicates the name of the selected component.
    private String selected_ComponentName;

    // Contains the names of components of the type of the selected
 
    // component in design mode.
    private String typeComponents[];

    // Contains the names of components of the base type of the 
    //selected component in design mode.
    private String basetypeComponents[];

    // Reference to the IComponentChangeService for the current component.
    private ISelectionService selectionService;

    public IReferenceServiceControl()
    {
        // Initializes the control properties.
        this.set_BackColor(Color.get_White());
        this.SetStyle(ControlStyles.ResizeRedraw, true);
        this.set_Name("IReferenceServiceControl");
        this.set_Size(new System.Drawing.Size(500,
 250));

        // Initializes the data properties.
        typeComponents = new String[0];
        basetypeComponents = new String[0];
        selected_TypeName = "None selected.";
        selected_BaseTypeName = "None selected.";
        selected_ComponentName = "None selected.";
        selectionService = null;
    } //IReferenceServiceControl

    // Registers and unregisters design-mode services when 
    // the component is sited and unsited.
    /** @property 
     */
    public System.ComponentModel.ISite get_Site()
    {
        // Returns the site for the control.
        return super.get_Site();
    } //get_Site

    /** @property 
     */
    public void set_Site(System.ComponentModel.ISite
 value)
    {
        // The site is set to null when a component is cut or 
        // removed from a design-mode site.
        // If an event handler has already been linked with 
        // an ISelectionService, remove the handler.
        if (selectionService != null) {
            selectionService.remove_SelectionChanged(
                new EventHandler(this.OnSelectionChanged));
        }
        // Sites the control.
        super.set_Site(value);

        // Obtains an ISelectionService interface to register 
        // the selection changed event handler with.
        selectionService = ((ISelectionService)(
            this.GetService(ISelectionService.class.ToType())));
        if (selectionService != null) {
            selectionService.add_SelectionChanged(
                new EventHandler(this.OnSelectionChanged));

            // Updates the display for the current selection, if any.
            DisplayComponentsOfSelectedComponentType();
        }
    } //set_Site

    // Updates the display according to the primary selected component,
 
    // if any, and the names of design-mode components that the 
    // IReferenceService returns references for when queried for 
    // references to components of the primary selected component's
 
    // type and base type.
    private void DisplayComponentsOfSelectedComponentType()
    {
        // If a component is selected...
        if (selectionService.get_PrimarySelection() != null)
 {
            // Sets the selected type name and selected component name
            //to the type and name of the primary selected component.
            selected_TypeName = selectionService.get_PrimarySelection().
                GetType().get_FullName();
            selected_BaseTypeName = selectionService.get_PrimarySelection().
                GetType().get_BaseType().get_FullName();
            selected_ComponentName = ((IComponent)(selectionService.
                get_PrimarySelection())).get_Site().get_Name();

            // Obtain an IReferenceService and obtain references to
 
            // each component in the design-mode project
            // of the selected component's type and base type.
            IReferenceService rs = ((IReferenceService)(
                this.GetService(IReferenceService.class.ToType())));
            if (rs != null) {
                // Get references to design-mode components of the 
                // primary selected component's type.
                Object[] comps = ((Object[])(rs.GetReferences(
                    selectionService.get_PrimarySelection().GetType())));

                typeComponents = new String[comps.length];
                for (int i = 0; i < comps.length;
 i++) {
                    typeComponents.set_Item(i,(
                        (IComponent)(comps.get_Item(i))).get_Site().get_Name());
                }
                // Get references to design-mode components with a base
 type 
                // of the primary selected component's base type.
                comps = ((Object[])(rs.GetReferences(selectionService.
                    get_PrimarySelection().GetType().get_BaseType())));
                basetypeComponents = new String[comps.length];
                for (int i = 0; i < comps.length;
 i++) {
                    basetypeComponents.set_Item(i, (
                        (IComponent)(comps.get_Item(i))).get_Site().get_Name());
                }
            }
        }
        else {
            selected_TypeName = "None selected.";
            selected_BaseTypeName = "None selected.";
            selected_ComponentName = "None selected.";
            typeComponents = new String[0];
            basetypeComponents = new String[0];
        }
        this.Refresh();
    } //DisplayComponentsOfSelectedComponentType

    private void OnSelectionChanged(Object
 sender, EventArgs e)
    {
        DisplayComponentsOfSelectedComponentType();
    } //OnSelectionChanged

    protected void OnPaint(System.Windows.Forms.PaintEventArgs
 e)
    {
        e.get_Graphics().DrawString("IReferenceService Example Control"
,
            new Font(FontFamily.get_GenericMonospace(), 9),
            new SolidBrush(Color.get_Blue()), 5, 5);
        e.get_Graphics().DrawString(
            "Primary Selected Component from IComponentChangeService:",
 
            new Font(FontFamily.get_GenericMonospace(), 8), 
            new SolidBrush(Color.get_Red()), 5, 20);
        e.get_Graphics().DrawString("Name:      " + selected_ComponentName
,
            new Font(FontFamily.get_GenericMonospace(), 8),
            new SolidBrush(Color.get_Black()), 10, 32);
        e.get_Graphics().DrawString("Type:      " + selected_TypeName,
            new Font(FontFamily.get_GenericMonospace(), 8), 
            new SolidBrush(Color.get_Black()), 10, 44);
        e.get_Graphics().DrawString("Base Type: " + selected_BaseTypeName,
 
            new Font(FontFamily.get_GenericMonospace(), 8), 
            new SolidBrush(Color.get_Black()), 10, 56);
        e.get_Graphics().DrawLine(new Pen(new
 SolidBrush(Color.get_Black()), 1)
            , 5, 77, this.get_Width() - 5, 77);
        e.get_Graphics().DrawString(
            "Components of Type from IReferenceService:", 
            new Font(FontFamily.get_GenericMonospace(), 8), 
            new SolidBrush(Color.get_Red()), 5, 85);
        if (selected_TypeName != "None selected.") {
            for (int i = 0; i < typeComponents.length;
 i++) {
                e.get_Graphics().DrawString(System.Convert.ToString(
                    typeComponents.get_Item(i)), 
                    new Font(FontFamily.get_GenericMonospace(),
 8), 
                    new SolidBrush(Color.get_Black()), 20, 97
 + i * 12);
            }
        }
        e.get_Graphics().DrawString(
            "Components of Base Type from IReferenceService:", 
            new Font(FontFamily.get_GenericMonospace(), 8), 
            new SolidBrush(Color.get_Red()), 5,
            109 + typeComponents.length * 12);
        if (selected_TypeName != "None selected.") {
            for (int i = 0; i < basetypeComponents.length;
 i++)    {
                e.get_Graphics().DrawString(System.Convert.ToString(
                    basetypeComponents.get_Item(i)), 
                    new Font(FontFamily.get_GenericMonospace(),
 8), 
                    new SolidBrush(Color.get_Black()), 20, 
                    121 + typeComponents.length * 12 + i * 12);
            }
        }
    } //OnPaint
} //IReferenceServiceControl
プラットフォームプラットフォーム

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。

バージョン情報バージョン情報
.NET Framework
サポート対象 : 2.0、1.1、1.0
参照参照
関連項目
IReferenceService メンバ
System.ComponentModel.Design 名前空間

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「IReferenceService インターフェイス」の関連用語

1
IReferenceService.GetReferences メソッド
.NET Framework クラス ライブラリ リファレンス
100% |||||

2
NestedContainer プロパティ
.NET Framework クラス ライブラリ リファレンス
96% |||||

3
IReferenceService メンバ
.NET Framework クラス ライブラリ リファレンス
72% |||||

4
IReferenceService メソッド
.NET Framework クラス ライブラリ リファレンス
72% |||||

5
IReferenceService.GetComponent メソッド
.NET Framework クラス ライブラリ リファレンス
52% |||||

6
IReferenceService.GetName メソッド
.NET Framework クラス ライブラリ リファレンス
52% |||||

7
IReferenceService.GetReference メソッド
.NET Framework クラス ライブラリ リファレンス
52% |||||

8
NestedContainer メソッド
.NET Framework クラス ライブラリ リファレンス
38% |||||

9
NestedContainer メンバ
.NET Framework クラス ライブラリ リファレンス
36% |||||

10
System.ComponentModel.Design 名前空間
.NET Framework クラス ライブラリ リファレンス
32% |||||

IReferenceService インターフェイスのお隣キーワード

IReadOnlySessionState インターフェイス

IReadOnlySessionState メンバ

IRedirectOutput インターフェイス

IRedirectOutput メソッド

IRedirectOutput メンバ

IRedirectOutput.SetOutputStream メソッド

IReferenceService インターフェイス

IReferenceService メソッド

IReferenceService メンバ

IReferenceService.GetComponent メソッド

IReferenceService.GetName メソッド

IReferenceService.GetReference メソッド

IReferenceService.GetReferences メソッド

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