Notes about using OutputStream-derived classes.

1. The end of line in the MFC edit control buffer is represented by two characters /r/n. The integrity of data will be damaged if the text is inserted between these two control characters.
2. The buffer of the CEdit-based control and the buffer of the CEditOutputStream object are surely the same only immediately after execution of the flush function/manipulator.
3. If you are manipulating the data such as LPCTSTR then use CString constructor as an envelope before inserting it into the stream.
   void func( OutputStream& os, LPCTSTR str )
   { 
   os<<CString(str); // Instead of os<<str; 
   }
4. For some reason that remains unclear to me I am unable to obtain a functioning CEdit object via call to GetEditCtrl() in the OnInitialUpdate(). The program looks approximately like this:

   void DerivedFromCEditView::OnInitialUpdate()
   {
   	CEditView::OnInitialUpdate();
   	pEdit=&GetEditCtrl());
   }

   pEdit does not point to a good object.
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