[Boa Constr] Adding a BoxSizer to a Frame

[Rich S. <rsh...@ap...>]

   The main application frame has a menubar and status bar. I want to insert a
boxSizer (one slot) that occupies the room between the two existing widgets.
Eventually, the sizer will hold a tabbed notebook.

   With the Designer active, I select a wx.BoxSizer and left click on the
Designer window's mid-area. Nothing is visible. I cannot see the sizer,
change its size to fill the available space, or do anything else.

   What critical step have I missed here?

Thanks,

Rich

-- 
Richard B. Shepard, Ph.D.               |   Author of "Quantifying Environmental
Applied Ecosystem Services, Inc. (TM)   |  Impact Assessments Using Fuzzy Logic"
<http://www.appl-ecosys.com>     Voice: 503-667-4517         Fax: 503-667-8863