Opens and returns an existing Document from the specified .

 public Document Open(System.IO.Stream stream)
Public Function Open(ByVal stream As System.IO.Stream) As Document

Stream to read the document from.

The document contained in the specified stream.

Thrown if there is an error opening the document.

Though the WordTemplate object currently supports Office Open XML (Word 2007) format files, WordApplication.Open() does not yet support them.

Document doc = app.Open(strm);
Dim doc As Document = app.Open(strm)