Exports TRichView document (or the selected part, if SelectionOnly=True) to the stream Stream as DocX (Microsoft Word format).
function SaveDocXToStream(Stream: TStream; SelectionOnly: Boolean):Boolean;
(introduced in version 15)
This method is available for Delphi 4+, C++Builder 2006+
The same as SaveDocX, but saves to a stream instead of a file.