function delete(this)
% Delete designconstr object

%   Author: A. Stothert
%   Copyright 1986-2004 The MathWorks, Inc. 
%   $Revision: 1.1.6.1 $ $Date: 2004/12/10 19:30:59 $

%Delete the whole object, note that 
%children are deleted in predelete listener
delete(double(this))