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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
   [Collapse]PdfFormFieldValueChangedEventArgs Class
     PdfFormFieldValueChangedEventArgs Members
    [Collapse]PdfFormFieldValueChangedEventArgs Properties
      FieldName Property
      NewValue Property
      OldValue Property
    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
   [Expand]PdfViewer Class
    PdfViewerToolbarKind Enumeration
   [Expand]PdfZoomChangedEventArgs Class
    PdfZoomChangedEventHandler Delegate
    PdfZoomMode Enumeration
  [Expand]DevExpress.XtraPdfViewer.Commands
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 End-User Documentation

PdfFormFieldValueChangedEventArgs.OldValue Property

Gets the form field's previous value.

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

Expanded Syntax

Property value

Type: Object
An object of the System.Object class representing the previous value of the form field.

Expanded Remarks

The PdfFormFieldValueChangedEventArgs class introduces the NewValue and OldValue properties, which store the value that has been assigned to the form field and its previous value.

Expanded See Also

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