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PDFDocFDFUpdate Method

Replace existing form and annotation data with those imported from the FDF file. It will make annotations in the FDF match those in the PDF. Since this method avoids updating annotations unnecessarily it works well with incremental save and can sometimes preserve annotation appearances, but it requires that the annotations intended to be in the final document be in the provided FDF file. Note: Some PDF viewers (like Chrome) cannot display annotations that don't already have an appearance, so it is often desirable to call PDFDoc.RefreshAnnotAppearances after this method to ensure these annotations can still be displayed in those applications. Note: This method is not suitable for realtime collaboration.

Namespace:  pdftron.PDF
Assembly:  pdftron (in pdftron.dll) Version: 255.255.255.255
Syntax
public void FDFUpdate(
	FDFDoc fdf_doc
)

Parameters

fdf_doc
Type: pdftron.FDFFDFDoc
- a pointer to the FDF file
Exceptions
ExceptionCondition
[!:PDFNetException] PDFNetException the PDFNet exception
See Also