PDFDocMergeXFDF Method

Merge existing form and annotation data with those imported from the XFDF file. It will replace annotations from pdfdocument with matching annotations from XFDF. In order for the annotations to be considered matching, "name" of the xfdf annotation needs to match "NM" of that in pdf. XFDF annotations that don't have a match in the pdf document will be added. For regular xfdf files, no deletions will be made This method also supports command form of xfdf, for those files, deletions will be performed for annotations in "delete" section Since this method avoids updating annotations unnecessarily it works well with incremental save. Note: This method is suitable for realtime collaboration.

Merge existing form and annotation data with those imported from the XFDF file. It will replace annotations from pdfdocument with matching annotations from XFDF. In order for the annotations to be considered matching, "name" of the xfdf annotation needs to match "NM" of that in pdf. XFDF annotations that don't have a match in the pdf document will be added. For regular xfdf files, no deletions will be made This method also supports command form of xfdf, for those files, deletions will be performed for annotations in "delete" section Since this method avoids updating annotations unnecessarily it works well with incremental save. Note: This method is suitable for realtime collaboration.