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  [Expand]DevExpress.DataAccess.UI.Design
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  [Collapse]DevExpress.XtraPdfViewer
   [Expand]IPdfViewerCommandFactoryService Interface
   [Expand]PdfAnnotationDeletingEventArgs Class
    PdfAnnotationDeletingEventHandler Delegate
   [Expand]PdfCancelSaveOperationException Class
    PdfContentMarginMode Enumeration
   [Expand]PdfCurrentPageChangedEventArgs Class
    PdfCurrentPageChangedEventHandler Delegate
    PdfCursorMode Enumeration
   [Expand]PdfDocumentChangedEventArgs Class
    PdfDocumentChangedEventHandler Delegate
   [Expand]PdfDocumentClosingEventArgs Class
    PdfDocumentClosingEventHandler Delegate
   [Expand]PdfDocumentProperties Class
   [Expand]PdfFileAttachmentOpeningEventArgs Class
    PdfFileAttachmentOpeningEventHandler Delegate
   [Expand]PdfFindDialogOptions Structure
   [Expand]PdfFindDialogVisibilityChangedEventArgs Class
    PdfFindDialogVisibilityChangedEventHandler Delegate
   [Expand]PdfFormFieldFocusEventArgs Class
    PdfFormFieldFocusEventHandler Delegate
   [Expand]PdfFormFieldValueChangedEventArgs Class
    PdfFormFieldValueChangedEventHandler Delegate
   [Expand]PdfFormFieldValueChangingEventArgs Class
    PdfFormFieldValueChangingEventHandler Delegate
   [Expand]PdfMarkupToolsSettings Class
    PdfNavigationPanePage Enumeration
    PdfNavigationPanePageVisibility Enumeration
   [Expand]PdfNavigationPaneSelectedPageChangedEventArgs Class
    PdfNavigationPaneSelectedPageChangedEventHandler Delegate
    PdfNavigationPaneVisibility Enumeration
   [Expand]PdfNavigationPaneVisibilityChangedEventArgs Class
    PdfNavigationPaneVisibilityChangedEventHandler Delegate
    PdfOutlineNodeTextSize Enumeration
   [Expand]PdfOutlineViewerSettings Class
   [Expand]PdfPageSetupDialogShowingEventArgs Class
    PdfPageSetupDialogShowingEventHandler Delegate
    PdfPopupMenuKind Enumeration
   [Expand]PdfPopupMenuShowingEventArgs Class
    PdfPopupMenuShowingEventHandler Delegate
   [Expand]PdfReferencedDocumentOpeningEventArgs Class
    PdfReferencedDocumentOpeningEventHandler Delegate
   [Expand]PdfScrollPositionChangedEventArgs Class
    PdfScrollPositionChangedEventHandler Delegate
   [Expand]PdfSelectionContent Structure
    PdfSelectionContentType Enumeration
   [Expand]PdfSelectionEventArgs Class
    PdfSelectionPerformedEventHandler Delegate
   [Expand]PdfTextMarkupAnnotationCreatingEventArgs Class
    PdfTextMarkupAnnotationCreatingEventHandler Delegate
   [Expand]PdfUriOpeningEventArgs Class
    PdfUriOpeningEventHandler Delegate
   [Collapse]PdfViewer Class
     PdfViewer Members
     PdfViewer Constructor
    [Expand]PdfViewer Properties
    [Expand]PdfViewer Events
    [Collapse]PdfViewer Methods
      About Method
     [Expand]AddService Method
      ClearSelection Method
      CloseDocument Method
      CopyToClipboard Method
     [Expand]CreateBars Method
      CreateBitmap Method
     [Expand]CreateRibbon Method
     [Expand]CreateTiff Method
      EnsureVisibility Method
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      GetClientPoint Method
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      GetService<T> Method
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      IsVisible Method
     [Expand]LoadDocument Method
     [Expand]Print Method
     [Expand]RemoveService Method
     [Expand]SaveDocument Method
      ScrollHorizontal Method
      ScrollVertical Method
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      SelectAllText Method
      ShowDocumentClosingWarning Method
     [Expand]ShowFindDialog Method
     [Expand]StrikethroughSelectedText Method
     [Expand]UnderlineSelectedText Method
    PdfViewerToolbarKind Enumeration
   [Expand]PdfZoomChangedEventArgs Class
    PdfZoomChangedEventHandler Delegate
    PdfZoomMode Enumeration
  [Expand]DevExpress.XtraPdfViewer.Commands
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 End-User Documentation

PdfViewer.GetService<T> Method

Gets the specified service.

Namespace:DevExpress.XtraPdfViewer
Assembly:DevExpress.XtraPdfViewer.v17.2.dll

Expanded Syntax

Return value

Type: T
A service object of the specified generic type, or a null reference (Nothing in Visual Basic) if there is no service object of this type.

Expanded Remarks

Use this method to enable your application objects to obtain a service of the PDF Viewer control, in order to employ methods of the service. The control implements the System.IServiceProvider interface, so you can tell it what type of service you wish to retrieve; and if a service is available, it is offered to the caller object.

There is a set of predefined services you can retrieve. The System.IServiceProvider and System.ComponentModel.Design.IServiceContainer interface realization allows hiding implementation details, and provides more flexibility regarding future updates of the component.

Expanded Example

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=T328206.

This example shows how to modify the functionality of an existing PdfViewer command.

The PdfViewer exposes the IPdfViewerCommandFactoryService interface that enables you to substitute the default command with your own custom command.

To accomplish this task:

  • Create a custom command class (e.g., a CustomNextPageCommand class), inherited from the command that you wish to replace (e.g., PdfNextPageCommand).
  • Override the required method of the command. The main functionality and command specifics are located in the Execute method.
  • Create a class (e.g., CustomPdfViewerCommandFactoryService) implementing the IPdfViewerCommandFactoryService. You should override the IPdfViewerCommandFactoryService.CreateCommand method to create an instance of a custom command class if an identifier of a certain command is passed as a parameter. So, instead of the default command, a custom command will be used by the PdfViewer.
  • Use the created class to substitute for the default PdfViewer's service.

Expanded See Also

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