DigitalSignatureUtilRemoveAllSignatures Method (Stream, Stream)

public static void RemoveAllSignatures(
	Stream srcStream,
	Stream dstStream
)

Public Shared Sub RemoveAllSignatures ( 
	srcStream As Stream,
	dstStream As Stream
)

public:
static void RemoveAllSignatures(
	Stream^ srcStream, 
	Stream^ dstStream
)

static member RemoveAllSignatures : 
        srcStream : Stream * 
        dstStream : Stream -> unit 

// Load digital signatures via filename string to verify that the document is signed
DigitalSignatureCollection digitalSignatures = DigitalSignatureUtil.LoadSignatures(MyDir + "Digitally signed.docx");
Assert.AreEqual(1, digitalSignatures.Count);

// Re-save the document to an output filename with all digital signatures removed
DigitalSignatureUtil.RemoveAllSignatures(MyDir + "Digitally signed.docx", ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromString.docx");

// Remove all signatures from the document using stream parameters
using (Stream streamIn = new FileStream(MyDir + "Digitally signed.docx", FileMode.Open))
{
    using (Stream streamOut = new FileStream(ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromStream.docx", FileMode.Create))
    {
        DigitalSignatureUtil.RemoveAllSignatures(streamIn, streamOut);
    } 
}

// We can also load a document's digital signatures via stream, which we will do to verify that all signatures have been removed
using (Stream stream = new FileStream(ArtifactsDir + "DigitalSignatureUtil.LoadAndRemove.FromStream.docx", FileMode.Open))
{
    digitalSignatures = DigitalSignatureUtil.LoadSignatures(stream);
}

Assert.AreEqual(0, digitalSignatures.Count);