function pushset(handle,prop,value)% PUSHSET - push new properties onto a value stack.%% PUSHSET(HANDLE, PROP, VALUE) will take the old value of PROP for% HANDLE, and save it on a stack associated with HANDLE.  It then% assigns VALUE as the new value.%% Copyright 2000, 2001, 2002, 2003, 2004, 2005 The MathWorks Inc  proplist=fieldnames(get(handle(1)));  prop=proplist{strcmpi(prop,proplist)};  appstr = [prop '_hgstack'];  for k=1:prod(size(handle))    oldv = get(handle(k),prop);    olds = getappdata(handle(k),appstr);    set(handle(k),prop,value);    setappdata(handle(k),appstr,{ oldv olds });      end