WPF and EventHandler

# pylint: skip-file
from pyrevit import forms
from pyrevit import revit, DB, UI
from pyrevit.framework import Input
from pyrevit import script
__persistentengine__ = True

class NonModalWindow(forms.WPFWindow):
    def __init__(self):
        pass

    def setup(self):
        self.update_ui()

    @revit.events.handle('doc-changed', 'doc-closed', 'doc-opened', 'view-activated')
    def uiupdator_eventhandler(sender, args):
        ui.update_ui()

    def update_ui(self):
        if revit.doc:
            #type the code here to update the user interface
            print('ok')

    def window_moving(self, sender, args):
        if args.ChangedButton == Input.MouseButton.Left:
            self.DragMove()

    def window_closing(self, sender, args): #pylint: disable=unused-argument
        revit.events.stop_events()

ui = script.load_ui(NonModalWindow(), ui_file='sensors.xaml')

ui.show(modal=__shiftclick__)