public void RemoveAllSignaturesEx()
{
//ExStart
//ExFor:DigitalSignatureUtil.RemoveAllSignatures(Stream, Stream)
//ExFor:DigitalSignatureUtil.RemoveAllSignatures(String, String)
//ExSummary:Shows how to remove every signature from a document.
//By stream:
Stream docStreamIn = new FileStream(MyDir + "Document.Signed.doc", FileMode.Open);
Stream docStreamOut = new FileStream(MyDir + "Document.NoSignatures.FromStream.doc", FileMode.Create);
DigitalSignatureUtil.RemoveAllSignatures(docStreamIn, docStreamOut);
docStreamIn.Close();
docStreamOut.Close();
//By string:
Document doc = new Document(MyDir + "Document.Signed.doc");
string outFileName = MyDir + "Document.NoSignatures.FromString.doc";
DigitalSignatureUtil.RemoveAllSignatures(doc.OriginalFileName, outFileName);
//ExEnd
}