time   calls  line
                  1 function closereq
                  2 %CLOSEREQ  Figure close request function.
                  3 %   CLOSEREQ deletes the current figure window.  By default, CLOSEREQ is
                  4 %   the CloseRequestFcn for new figures.
                  5 
                  6 %   Copyright 1984-2009 The MathWorks, Inc.
                  7 %   $Revision: 1.9.4.4 $  $Date: 2009/10/24 19:18:02 $
                  8 
                  9 %   Note that closereq now honors the user's ShowHiddenHandles setting
                 10 %   during figure deletion.  This means that deletion listeners and
                 11 %   DeleteFcns will now operate in an environment which is not guaranteed
                 12 %   to show hidden handles.
  0.01      17   13 if isempty(gcbf) 
                 14     if length(dbstack) == 1
                 15         warning('MATLAB:closereq', ...
                 16                 'Calling closereq from the command line is now obsolete, use close instead');
                 17     end
                 18     close force
            17   19 else 
  0.01      17   20     if (isa(gcbf,'ui.figure')) 
                 21         % Convert GBT1.5 figure to a double.
                 22         delete(double(gcbf));
            17   23     else 
  0.21      17   24         delete(gcbf); 
            17   25     end 
            17   26 end