import tkinter import customtkinter customtkinter.set_appearance_mode("dark") # Modes: "System" (standard), "Dark", "Light" customtkinter.set_default_color_theme("blue") # Themes: "blue" (standard), "green", "dark-blue" app = customtkinter.CTk() # create CTk window like you do with the Tk window app.geometry("400x540") app.title("CustomTkinter simple_example.py") def button_function(): print("Button click", label_1.text_label.cget("text")) def slider_function(value): progressbar_1.set(value) def check_box_function(): print("checkbox_1:", checkbox_1.get()) y_padding = 13 frame_1 = customtkinter.CTkFrame(master=app) frame_1.pack(pady=20, padx=60, fill="both", expand=True) label_1 = customtkinter.CTkLabel(master=frame_1, justify=tkinter.LEFT) label_1.pack(pady=y_padding, padx=10) progressbar_1 = customtkinter.CTkProgressBar(master=frame_1) progressbar_1.pack(pady=y_padding, padx=10) button_1 = customtkinter.CTkButton(master=frame_1, command=button_function) button_1.pack(pady=y_padding, padx=10) slider_1 = customtkinter.CTkSlider(master=frame_1, command=slider_function, from_=0, to=1) slider_1.pack(pady=y_padding, padx=10) slider_1.set(0.5) entry_1 = customtkinter.CTkEntry(master=frame_1, placeholder_text="CTkEntry") entry_1.pack(pady=y_padding, padx=10) checkbox_1 = customtkinter.CTkCheckBox(master=frame_1, command=check_box_function) checkbox_1.pack(pady=y_padding, padx=10) radiobutton_var = tkinter.IntVar(value=1) radiobutton_1 = customtkinter.CTkRadioButton(master=frame_1, variable=radiobutton_var, value=1) radiobutton_1.pack(pady=y_padding, padx=10) radiobutton_2 = customtkinter.CTkRadioButton(master=frame_1, variable=radiobutton_var, value=2) radiobutton_2.pack(pady=y_padding, padx=10) switch_1 = customtkinter.CTkSwitch(master=frame_1) switch_1.pack(pady=y_padding, padx=10) app.mainloop()