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PdfInteractiveForm Class

An interactive form (PDF 1.2)—sometimes referred to as an AcroForm—is a collection of fields for gathering information interactively from the user. A PDF document may contain any number of fields appearing on any combination of pages, all of which make up a single, global interactive form spanning the entire document.
Inheritance Hierarchy
SystemObject
  SautinSoft.PdfPdfObject
    SautinSoft.Pdf.FormsPdfInteractiveForm

Namespace: SautinSoft.Pdf.Forms
Assembly: SautinSoft.Pdf (in SautinSoft.Pdf.dll) Version: 2025.11.10
Syntax
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public sealed class PdfInteractiveForm : PdfObject

The PdfInteractiveForm type exposes the following members.

Properties
 NameDescription
Public propertyFields Gets the fields.
Public propertyNeedAppearances

(Optional; deprecated in PDF 2.0) A flag specifying whether to construct appearance streams and appearance dictionaries for all widget annotations in the document (see 12.7.3.3, "Variable text").

Default value: .

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Methods
 NameDescription
Public methodExportData(String) Exports the interactive form data from the current PdfInteractiveForm to an FDF, XFDF or JSON file with the specified path.
Public methodExportData(Stream, PdfFormDataFormat) Exports the interactive form data from the current PdfInteractiveForm to the specified FDF, XFDF or JSON stream.
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Extension Methods
 NameDescription
Public Extension MethodGetArray Gets the PdfArray that serves as a backing storage of the specified PdfObject or if no PdfArray serves as a backing storage of the specified PdfObject.
(Defined by PdfObjectExtensions)
Public Extension MethodGetDictionary Gets the PdfDictionary that serves as a backing storage of the specified PdfObject.
(Defined by PdfObjectExtensions)
Public Extension MethodGetOrAddDictionary Gets the PdfDictionary that serves as a backing storage of the specified PdfObject.
(Defined by PdfObjectExtensions)
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See Also