function cnf_callback(action)
%  This is a callback function for the Simulink model
%  It is called when various tasks are performed in the Simulink model


LinkData = get_param('cnf_sim/Get Data','UserData');

switch action
    
case 'Start'
    feval(LinkData.StartFcn, LinkData.Handles.Button_Start);
    
case 'Stop'
    feval(LinkData.StopFcn, LinkData.Handles.Button_Stop);	
    
case 'Close'
    cnfdb=guidata(LinkData.Figure);
    set_param(cnfdb.Simulink.Model,'Dirty','off');	
    figHdl = LinkData.Figure;
    set(figHdl,'DeleteFcn','');
    delete(figHdl);
    
otherwise
    % Do nothing	
    
end % of switch action