import time from PyVDE.desktop import Desktop from PyVDE.App import AppWindow import pygame import threading class MyFirstApp(AppWindow): def __init__(self): super().__init__() def init(self): print('Hello') self.window.fill((255, 255, 255)) desktopwindow = Desktop() desktopwindow.register("myapp", MyFirstApp) def delayopenapp(): time.sleep(2) desktopwindow.runapp("myapp", (50, 50)) delayopenappthread = threading.Thread(target=delayopenapp) delayopenappthread.start() desktopwindow.start()