How to use the easygui.ynbox function in easygui

programOutputBytes, programErrorOutputBytes = myProcess.communicate()
        #dPrint( 'Quiet', debuggingThisModule, 'pob', programOutputBytes, programErrorOutputBytes )
        #returnCode = myProcess.returncode
        programOutputString = programOutputBytes.decode( encoding='utf-8', errors='replace' ) if programOutputBytes else None
        programErrorOutputString = programErrorOutputBytes.decode( encoding='utf-8', errors='replace' ) if programErrorOutputBytes else None
        #dPrint( 'Quiet', debuggingThisModule, 'processes', repr(programOutputString) )
        for line in programOutputString.split( '\n' ):
            if PROGRAM_NAME+'.py' in line:
                dPrint( 'Verbose', debuggingThisModule, 'Found in tasklist:', repr(line) )
                numInstancesFound += 1
        if programErrorOutputString: logging.critical( "tasklist got error: {}".format( programErrorOutputString ) )
    else: logging.critical( "Don't know how to check for already running instances in {}/{}.".format( sys.platform, os.name ) )
    if numInstancesFound > 1:
        import easygui
        logging.critical( "Found {} instances of {} running.".format( numInstancesFound, PROGRAM_NAME ) )
        result = easygui.ynbox('Seems {} might be already running: Continue?'.format( PROGRAM_NAME), programNameVersion, ('Yes', 'No'))
        if not result:
            logging.info( "Exiting as user requested." )
            sys.exit()

    tkRootWindow = tk.Tk()
    if BibleOrgSysGlobals.debugFlag:
        vPrint( 'Quiet', debuggingThisModule, 'Windowing system is', repr( tkRootWindow.tk.call('tk', 'windowingsystem') ) ) # e.g., 'x11'

    # Set the window icon and title
    iconImage = tk.PhotoImage( file=DATAFILES_FOLDERPATH.joinpath( 'Biblelator.gif' ) )
    tkRootWindow.tk.call( 'wm', 'iconphoto', tkRootWindow._w, iconImage )
    tkRootWindow.title( programNameVersion + ' ' + _('starting') + '…' )
    application = SwordManager( tkRootWindow, homeFolderpath, loggingFolderpath, iconImage, None )
    # Calls to the window manager class (wm in Tk)
    #application.master.title( programNameVersion )
    #application.master.minsize( application.minimumXSize, application.minimumYSize )

programOutputBytes, programErrorOutputBytes = myProcess.communicate()
        #dPrint( 'Quiet', debuggingThisModule, 'pob', programOutputBytes, programErrorOutputBytes )
        #returnCode = myProcess.returncode
        programOutputString = programOutputBytes.decode( encoding='utf-8', errors='replace' ) if programOutputBytes else None
        programErrorOutputString = programErrorOutputBytes.decode( encoding='utf-8', errors='replace' ) if programErrorOutputBytes else None
        #dPrint( 'Quiet', debuggingThisModule, 'processes', repr(programOutputString) )
        for line in programOutputString.split( '\n' ):
            if PROGRAM_NAME+'.py' in line:
                dPrint( 'Verbose', debuggingThisModule, 'Found in tasklist:', repr(line) )
                numInstancesFound += 1
        if programErrorOutputString: logging.critical( "tasklist got error: {}".format( programErrorOutputString ) )
    else: logging.critical( "Don't know how to check for already running instances in {}/{}.".format( sys.platform, os.name ) )
    if numInstancesFound > 1:
        import easygui
        logging.critical( "Found {} instances of {} running.".format( numInstancesFound, PROGRAM_NAME ) )
        result = easygui.ynbox('Seems {} might be already running: Continue?'.format( PROGRAM_NAME), programNameVersion, ('Yes', 'No'))
        if not result:
            logging.info( "Exiting as user requested." )
            sys.exit()

    tkRootWindow = tk.Tk()
    if BibleOrgSysGlobals.debugFlag:
        vPrint( 'Quiet', debuggingThisModule, 'Windowing system is', repr( tkRootWindow.tk.call('tk', 'windowingsystem') ) ) # e.g., 'x11'

    # Set the window icon and title
    iconImage = tk.PhotoImage( file=DATAFILES_FOLDERPATH.joinpath( 'Biblelator.gif' ) )
    tkRootWindow.tk.call( 'wm', 'iconphoto', tkRootWindow._w, iconImage )
    tkRootWindow.title( programNameVersion + ' ' + _('starting') + '…' )
    application = FRepEx( tkRootWindow, homeFolderpath, loggingFolderpath, iconImage, None )
    # Calls to the window manager class (wm in Tk)
    #application.master.title( programNameVersion )
    #application.master.minsize( application.minimumXSize, application.minimumYSize )

programOutputBytes, programErrorOutputBytes = myProcess.communicate()
        #dPrint( 'Quiet', debuggingThisModule, 'pob', programOutputBytes, programErrorOutputBytes )
        #returnCode = myProcess.returncode
        programOutputString = programOutputBytes.decode( encoding='utf-8', errors='replace' ) if programOutputBytes else None
        programErrorOutputString = programErrorOutputBytes.decode( encoding='utf-8', errors='replace' ) if programErrorOutputBytes else None
        #dPrint( 'Quiet', debuggingThisModule, 'processes', repr(programOutputString) )
        for line in programOutputString.split( '\n' ):
            if PROGRAM_NAME+'.py' in line:
                dPrint( 'Verbose', debuggingThisModule, 'Found in tasklist:', repr(line) )
                numInstancesFound += 1
        if programErrorOutputString: logging.critical( "tasklist got error: {}".format( programErrorOutputString ) )
    else: logging.critical( "Don't know how to check for already running instances in {}/{}.".format( sys.platform, os.name ) )
    if numInstancesFound > 1:
        import easygui
        logging.critical( "Found {} instances of {} running.".format( numInstancesFound, PROGRAM_NAME ) )
        result = easygui.ynbox('Seems {} might be already running: Continue?'.format( PROGRAM_NAME), programNameVersion, ('Yes', 'No'))
        if not result:
            logging.info( "Exiting as user requested." )
            sys.exit()

    tkRootWindow = tk.Tk()
    if BibleOrgSysGlobals.debugFlag:
        vPrint( 'Quiet', debuggingThisModule, 'Windowing system is', repr( tkRootWindow.tk.call('tk', 'windowingsystem') ) ) # e.g., 'x11'

    # Set the window icon and title
    iconImage = tk.PhotoImage( file=DATAFILES_FOLDERPATH.joinpath( 'Biblelator.gif' ) )
    tkRootWindow.tk.call( 'wm', 'iconphoto', tkRootWindow._w, iconImage )
    tkRootWindow.title( programNameVersion + ' ' + _('starting') + '…' )
    application = BOSManager( tkRootWindow, homeFolderpath, loggingFolderpath, iconImage, None )
    # Calls to the window manager class (wm in Tk)
    #application.master.title( programNameVersion )
    #application.master.minsize( application.minimumXSize, application.minimumYSize )

programOutputBytes, programErrorOutputBytes = myProcess.communicate()
        #dPrint( 'Quiet', debuggingThisModule, 'pob', programOutputBytes, programErrorOutputBytes )
        #returnCode = myProcess.returncode
        programOutputString = programOutputBytes.decode( encoding='utf-8', errors='replace' ) if programOutputBytes else None
        programErrorOutputString = programErrorOutputBytes.decode( encoding='utf-8', errors='replace' ) if programErrorOutputBytes else None
        #dPrint( 'Quiet', debuggingThisModule, 'processes', repr(programOutputString) )
        for line in programOutputString.split( '\n' ):
            if PROGRAM_NAME+'.py' in line:
                dPrint( 'Verbose', debuggingThisModule, 'Found in tasklist:', repr(line) )
                numInstancesFound += 1
        if programErrorOutputString: logging.critical( "tasklist got error: {}".format( programErrorOutputString ) )
    else: logging.critical( "Don't know how to check for already running instances in {}/{}.".format( sys.platform, os.name ) )
    if numInstancesFound > 1:
        import easygui
        logging.critical( "Found {} instances of {} running.".format( numInstancesFound, PROGRAM_NAME ) )
        result = easygui.ynbox('Seems {} might be already running: Continue?'.format( PROGRAM_NAME), programNameVersion, ('Yes', 'No'))
        if not result:
            logging.info( "Exiting as user requested." )
            sys.exit()

    tkRootWindow = tk.Tk()
    if BibleOrgSysGlobals.debugFlag:
        vPrint( 'Quiet', debuggingThisModule, 'Windowing system is', repr( tkRootWindow.tk.call('tk', 'windowingsystem') ) ) # e.g., 'x11'

    # Set the window icon and title
    iconImage = tk.PhotoImage( file=DATAFILES_FOLDERPATH.joinpath( 'Biblelator.gif' ) )
    tkRootWindow.tk.call( 'wm', 'iconphoto', tkRootWindow._w, iconImage )
    tkRootWindow.title( programNameVersion + ' ' + _('starting') + '…' )
    application = BiblelatorSettingsEditor( tkRootWindow, homeFolderpath, loggingFolderpath, iconImage )
    # Calls to the window manager class (wm in Tk)
    #application.master.title( programNameVersion )
    #application.master.minsize( application.minimumXSize, application.minimumYSize )

def Choice_Backup_Live():
    rightnow = datetime.datetime.now()
    defaultfilename =  rightnow.strftime("%B")
    defaultfilename = defaultfilename[:3] 
    
    if easygui.ynbox('Online Backup?') == 1:
         ynonline = "online"
    else:
        ynonline = ""
    easygui.msgbox(msg='After selecting Source, Destination & Online please wait, this can take a while and you will see no progress bar.')
    PilotApp.Backup(
        easygui.fileopenbox(
            'Select database to backup',
            default=PilotApp.Settings['EpicorDBDir']+'\\'),
        easygui.filesavebox(
            'Filename to backup to',
            default=PilotApp.Settings['EpicorDBDir']+'\\'+ defaultfilename + 'live' + str(rightnow.day ) ),
        ynonline)

#print "startPose", startPose
                #print "targetToWorld", targetToWorld
                #print "graspingHand", self.graspingHand
                constraintSet = self.ikPlanner.planEndEffectorGoal(startPose, self.graspingHand, targetToWorld, lockBase=False, lockBack=True)
                
            with Timer('start5'):
                print "start5"
                endPose, info = constraintSet.runIk()
                print info
            
            with Timer('start6'):
                print "start6"
                graspPlan = constraintSet.runIkTraj()
                
            easygui.msgbox("Please review the plan", title="Pause")
            if not easygui.ynbox("Do next iteration?", title=" "):
                break 
            
#             print "start7"
#             if graspPlan.plan_info[-1] > 10:
#                 print "PLANNER REPORTS ERROR!"
#     
#                 self.planPlaybackFunction([graspPlan])
#     
#                 #self.fail()
#                 break
#             else:
#                 print "Planner reports success!"
#     
#                 # Plan was successful, save it to be animated and update output data
#                 self.planPlaybackFunction([graspPlan])
#                 self.manipPlanner.commitManipPlan(graspPlan)