from __future__ import annotations import sys def is_windows_dark_theme() -> bool: if sys.platform != "win32": return False try: import winreg key = winreg.OpenKey(winreg.HKEY_CURRENT_USER, r"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize") value, _ = winreg.QueryValueEx(key, "AppsUseLightTheme") return value == 0 except Exception: return False def apply_windows_dark_theme() -> None: try: import ctypes uxtheme = ctypes.windll.uxtheme try: set_preferred = uxtheme[135] result = set_preferred(2) if result == 0: flush = uxtheme[136] flush() except Exception: try: allow_dark = uxtheme[135] allow_dark(True) except Exception: pass except Exception: pass