ComponentDesigner.GetService(Type) ComponentDesigner.GetService(Type) ComponentDesigner.GetService(Type) ComponentDesigner.GetService(Type) Method

定義

デザイナーのコンポーネントのデザイン モード サイトから、指定した型のサービスの取得を試みます。Attempts to retrieve the specified type of service from the design mode site of the designer's component.

protected:
 virtual System::Object ^ GetService(Type ^ serviceType);
protected virtual object GetService (Type serviceType);
abstract member GetService : Type -> obj
override this.GetService : Type -> obj
Protected Overridable Function GetService (serviceType As Type) As Object

パラメーター

serviceType
Type Type Type Type

要求するサービスの型。The type of service to request.

戻り値

要求したサービスを実装しているオブジェクト。サービスを解決できない場合は nullAn object implementing the requested service, or null if the service cannot be resolved.

次のコード例は、の使用を示します、GetServiceデザイナーのサービスへのアクセス方法。The following code example demonstrates the use of the GetService method to access designer services.

  // This utility method connects the designer to various
  // services it will use. 
  private void InitializeServices()
  {
      // Acquire a reference to DesignerActionService.
      this.actionService =
          GetService(typeof(DesignerActionService))
          as DesignerActionService;

// Acquire a reference to DesignerActionUIService.
this.actionUiService =
	GetService(typeof(DesignerActionUIService))
	as DesignerActionUIService;

      // Acquire a reference to IComponentChangeService.
      this.changeService =
          GetService(typeof(IComponentChangeService))
          as IComponentChangeService;

      // Hook the IComponentChangeService events.
      if (this.changeService != null)
      {
          this.changeService.ComponentChanged +=
              new ComponentChangedEventHandler(
              ChangeService_ComponentChanged);

          this.changeService.ComponentAdded +=
              new ComponentEventHandler(
              ChangeService_ComponentAdded);

          this.changeService.ComponentRemoved +=
              new ComponentEventHandler(
              changeService_ComponentRemoved);
      }

      // Acquire a reference to ISelectionService.
      this.selectionService =
          GetService(typeof(ISelectionService))
          as ISelectionService;

      // Hook the SelectionChanged event.
      if (this.selectionService != null)
      {
          this.selectionService.SelectionChanged +=
              new EventHandler(selectionService_SelectionChanged);
      }

      // Acquire a reference to IDesignerEventService.
      this.eventService =
          GetService(typeof(IDesignerEventService))
          as IDesignerEventService;

      if (this.eventService != null)
      {
          this.eventService.ActiveDesignerChanged +=
              new ActiveDesignerEventHandler(
              eventService_ActiveDesignerChanged);
      }

      // Acquire a reference to IDesignerHost.
      this.host =
          GetService(typeof(IDesignerHost))
          as IDesignerHost;

      // Acquire a reference to IDesignerOptionService.
      this.optionService =
          GetService(typeof(IDesignerOptionService))
          as IDesignerOptionService;

      // Acquire a reference to IEventBindingService.
      this.eventBindingService =
          GetService(typeof(IEventBindingService))
          as IEventBindingService;

      // Acquire a reference to IExtenderListService.
      this.listService =
          GetService(typeof(IExtenderListService))
          as IExtenderListService;

      // Acquire a reference to IReferenceService.
      this.referenceService =
          GetService(typeof(IReferenceService))
          as IReferenceService;

      // Acquire a reference to ITypeResolutionService.
      this.typeResService =
          GetService(typeof(ITypeResolutionService))
          as ITypeResolutionService;

      // Acquire a reference to IComponentDiscoveryService.
      this.componentDiscoveryService =
          GetService(typeof(IComponentDiscoveryService))
          as IComponentDiscoveryService;

      // Acquire a reference to IToolboxService.
      this.toolboxService =
          GetService(typeof(IToolboxService))
          as IToolboxService;

      // Acquire a reference to UndoEngine.
      this.undoEng =
          GetService(typeof(UndoEngine))
          as UndoEngine;

      if (this.undoEng != null)
      {
          MessageBox.Show("UndoEngine");
      }
  }
' This utility method connects the designer to various
' services it will use. 
Private Sub InitializeServices()

    ' Acquire a reference to DesignerActionService.
    Me.actionService = GetService(GetType(DesignerActionService))

    ' Acquire a reference to DesignerActionUIService.
    Me.actionUiService = GetService(GetType(DesignerActionUIService))

    ' Acquire a reference to IComponentChangeService.
    Me.changeService = GetService(GetType(IComponentChangeService))

    ' Hook the IComponentChangeService events.
    If (Me.changeService IsNot Nothing) Then
        AddHandler Me.changeService.ComponentChanged, AddressOf ChangeService_ComponentChanged

        AddHandler Me.changeService.ComponentAdded, AddressOf ChangeService_ComponentAdded

        AddHandler Me.changeService.ComponentRemoved, AddressOf changeService_ComponentRemoved
    End If

    ' Acquire a reference to ISelectionService.
    Me.selectionService = GetService(GetType(ISelectionService))

    ' Hook the SelectionChanged event.
    If (Me.selectionService IsNot Nothing) Then
        AddHandler Me.selectionService.SelectionChanged, AddressOf selectionService_SelectionChanged
    End If

    ' Acquire a reference to IDesignerEventService.
    Me.eventService = GetService(GetType(IDesignerEventService))

    If (Me.eventService IsNot Nothing) Then
        AddHandler Me.eventService.ActiveDesignerChanged, AddressOf eventService_ActiveDesignerChanged
    End If

    ' Acquire a reference to IDesignerHost.
    Me.host = GetService(GetType(IDesignerHost))

    ' Acquire a reference to IDesignerOptionService.
    Me.optionService = GetService(GetType(IDesignerOptionService))

    ' Acquire a reference to IEventBindingService.
    Me.eventBindingService = GetService(GetType(IEventBindingService))

    ' Acquire a reference to IExtenderListService.
    Me.listService = GetService(GetType(IExtenderListService))

    ' Acquire a reference to IReferenceService.
    Me.referenceService = GetService(GetType(IReferenceService))

    ' Acquire a reference to ITypeResolutionService.
    Me.typeResService = GetService(GetType(ITypeResolutionService))

    ' Acquire a reference to IComponentDiscoveryService.
    Me.componentDiscoveryService = GetService(GetType(IComponentDiscoveryService))

    ' Acquire a reference to IToolboxService.
    Me.toolboxService = GetService(GetType(IToolboxService))

    ' Acquire a reference to UndoEngine.
    Me.undoEng = GetService(GetType(UndoEngine))

    If (Me.undoEng IsNot Nothing) Then
        MessageBox.Show("UndoEngine")
    End If
End Sub

注釈

このメソッドの既定の実装では、コンポーネントのサイトからサービスを要求します。The default implementation of this method requests the service from the site of the component.

適用対象

こちらもご覧ください