[!] fix hide_topbar

boxes/CTkLoadingBox.py

@@ -1,10 +1,10 @@
-from ctypes import windll
+import ctypes
 from threading import Thread
 from typing import Optional, Union, Tuple
 
 from customtkinter import CTkToplevel, CTkProgressBar, CTkLabel, ThemeManager, CTkFont
-from win32gui import CreateRoundRectRgn, SetWindowRgn
 from loguru import logger as _logger
+from win32gui import CreateRoundRectRgn, SetWindowRgn
 
 logger = _logger.bind(module="CTkLoadingBox", prefix="misc")
 
@@ -43,7 +43,7 @@ class CTkLoadingBox(CTkToplevel):
         if hide_topbar:
             self.overrideredirect(True)
             # Округление окна
-            hwnd = windll.user32.GetForegroundWindow()
+            hwnd = ctypes.windll.user32.GetParent(self.winfo_id())
             region = CreateRoundRectRgn(0, 0, 300, 300, 150, 150)  # Радиус круга
             SetWindowRgn(hwnd, region, True)
             self.bind("<ButtonPress-1>", self.__start_move)