import tkinter import tkinter.ttk as ttk import customtkinter root_tk = customtkinter.CTk() root_tk.geometry("1400x480") root_tk.title("CustomTkinter TTk Compatibility Test") root_tk.grid_rowconfigure(0, weight=1) root_tk.grid_columnconfigure((0, 1, 2, 3, 5), weight=1) button_0 = customtkinter.CTkButton(root_tk) button_0.grid(padx=20, pady=20, row=0, column=0) frame_1 = tkinter.Frame(master=root_tk) frame_1.grid(padx=20, pady=20, row=0, column=1, sticky="nsew") button_1 = customtkinter.CTkButton(frame_1, text="tkinter.Frame") button_1.pack(pady=20, padx=20) frame_2 = tkinter.LabelFrame(master=root_tk, text="Tkinter LabelFrame") frame_2.grid(padx=20, pady=20, row=0, column=2, sticky="nsew") button_2 = customtkinter.CTkButton(frame_2, text="tkinter.LabelFrame") button_2.pack(pady=20, padx=20) frame_3 = ttk.Frame(master=root_tk) frame_3.grid(padx=20, pady=20, row=0, column=3, sticky="nsew") button_3 = customtkinter.CTkButton(frame_3, text="ttk.Frame") button_3.pack(pady=20, padx=20) frame_4 = ttk.LabelFrame(master=root_tk, text="TTk LabelFrame") frame_4.grid(padx=20, pady=20, row=0, column=4, sticky="nsew") button_4 = customtkinter.CTkButton(frame_4) button_4.pack(pady=20, padx=20) frame_5 = ttk.Notebook(master=root_tk) frame_5.grid(padx=20, pady=20, row=0, column=5, sticky="nsew") button_5 = customtkinter.CTkButton(frame_5, text="ttk.Notebook") button_5.pack(pady=20, padx=20) ttk_style = ttk.Style() ttk_style.configure(frame_3.winfo_class(), background='red') root_tk.mainloop()