Changing field values in a Interactive form

I am trying to modify the fields of a Interactive form after the user presses the go button.  The following code appears in my onSubmit method.
IPrivateIntPDFv1View.IPDFDataElement element = wdContext.nodePDFData().createPDFDataElement();
element.setForename("Wrighty08");
wdContext.nodePDFData().bind(element);
When I then get the byte[] in the following code it does not have the changes I made above however the changes do appear on screen when the program finishes.  Any ideas?
IPrivateIntPDFv1View.IContextElement contextElement = wdContext.currentContextElement();
ByteArrayInputStream byteInput = new ByteArrayInputStream(contextElement.getPDFObject());
Thanks,
Ellis

I am trying to get the byte[] with the new values set.  The implementation of the byte[] retrieval is in the submit-method.  But just before I get the byte[] I am trying to change some values in the interactive form.
So first I run this code to change the value of a given field in the interactive form.
IPrivateIntPDFv1View.IPDFDataElement element = wdContext.nodePDFData().createPDFDataElement();
element.setForename("Wrighty08");
wdContext.nodePDFData().bind(element);
Then I get the byte array as follows.
IPrivateIntPDFv1View.IContextElement contextElement = wdContext.currentContextElement();
ByteArrayInputStream byteInput = new ByteArrayInputStream(contextElement.getPDFObject());
The problem is that the changed values are not in the byte[].
Thanks,
Ellis

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