SegueCategoryDemo.mm

-(IBAction)helpButtonTapped
{
    [ self hideAllPopovers ];
    
    __weak SDHomeViewController* weakSelf = self;
    SDHelpReportType reportType = static_cast<SDHelpReportType>( self->_chartController.state.chartType );
    
    JFFPerformSegueCallback prepareForSegue_ =^void(UIStoryboardSegue* segue_)
    {
        SDHelpViewController* helpVC_ = objc_member_of_cast<SDHelpViewController>(segue_.destinationViewController);
        
        
        helpVC_.reportType = reportType;
        helpVC_.helpDelegate = weakSelf;
    };
    
    [ self performSegueWithIdentifier: helpIdentifier_
                               sender: self
                             callback: prepareForSegue_ ];
}