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HI,

I have a digital signature (.pfx file) with me. I want to add this digital signature as a visible signature to a document which could be of any of these following formats- csv, word, excel or PDF. Can anybody help me to implement this on c# .net windows forms?

Thanking you...

What I have tried:

I am able to successfully attach a signature to pdf. but not able to attach the same to word and excel... please help
Posted
Updated 15-May-19 1:25am
Comments
RDBurmon 5-Mar-18 2:35am
   
try this one also
https://www.docusign.com/developer-center/dsa/local_02
Rishi PJ(Member 13155151) 5-Mar-18 5:46am
   
Thank you.

1 solution

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Solution 1

private void CreateNewPage()
  {
      object missing = System.Reflection.Missing.Value;
      object fileName = @"F:\Doc\test.docx";
      object readOnly = false;
      object isVisible = true;

      //Start Word and open a document.
      Microsoft.Office.Interop.Word._Application oWord;
      Microsoft.Office.Interop.Word._Document oDoc;
      oWord = new Microsoft.Office.Interop.Word.Application();
      oWord.Visible = true;

      oDoc = oWord.Documents.Open(ref fileName, ref missing, ref readOnly,
          ref missing, ref missing, ref missing, ref missing, ref missing,
          ref missing, ref missing, ref missing, ref isVisible, ref missing,
          ref missing, ref missing, ref missing);

      //  var numberOfPages = oDoc.ComputeStatistics(Word.WdStatistic.wdStatisticPages, false);

      object oEndOfDoc = "\\endofdoc";
      object paramNextPage = Microsoft.Office.Interop.Word.WdBreakType.wdSectionBreakNextPage;

      oDoc.Bookmarks.get_Item(ref oEndOfDoc).Range.InsertBreak(ref paramNextPage);
      //Insert a page break
      object breakPage = Microsoft.Office.Interop.Word.WdBreakType.wdPageBreak;


      object saveOption = Microsoft.Office.Interop.Word.WdSaveOptions.wdDoNotSaveChanges;
      object originalFormat = Microsoft.Office.Interop.Word.WdOriginalFormat.wdOriginalDocumentFormat;
      object routeDocument = false;

      object what = Microsoft.Office.Interop.Word.WdGoToItem.wdGoToPage;
      object which = Microsoft.Office.Interop.Word.WdGoToDirection.wdGoToLast;
      object count = 3;

      oWord.Selection.GoTo(ref what, ref which, ref count, ref missing);

      object sigID = "{00000000-0000-0000-0000-000000000000}";


      try
      {
          oWord.Activate();

          SignatureSet signatureSet = oWord.ActiveDocument.Signatures;
          // signatureSet.ShowSignaturesPane = false;
          Signature objSignature = signatureSet.AddSignatureLine(sigID);
          objSignature.Setup.SuggestedSigner = "docSigner";
          objSignature.Setup.SuggestedSignerEmail = "abc@xyz.com";
          objSignature.Setup.ShowSignDate = true;
          //  dynamic shape = objSignature.SignatureLineShape;
      }
      catch (Exception ex) { MessageBox.Show(ex.Message); }

      oWord.Documents.Save();
      oWord.Quit();

      try
      {
          Marshal.ReleaseComObject(oWord);
      }
      catch (Exception e) { MessageBox.Show(e.Message); }
  }
   

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