example.py

import customtkinter
from CTkLoadingPopup import CTkLoadingPopup, CTkOverlayedLoadingPopup

app = customtkinter.CTk()
app.title("CTkLoadingPopup example")
app.geometry("400x300")

def show_loading_popup():
    global popup
    popup = CTkLoadingPopup(app)

def close_loading_popup():
    if popup is not None:
        popup.close()

popup = None

show_button = customtkinter.CTkButton(app, text="Show CTkLoadingPopup",
                                        command=show_loading_popup)
show_button.pack(padx=10, pady=10)

close_button = customtkinter.CTkButton(app, text="Close CTkLoadingPopup",
                                        command=close_loading_popup)
close_button.pack(padx=10, pady=10)

show_with_cancel_button = customtkinter.CTkButton(
    app, text="Show CTkLoadingPopup with 'Cancel' button",
    command=lambda: CTkLoadingPopup(app, cancel_button=True)
)
show_with_cancel_button.pack(padx=10, pady=10)

show_overlayed_button = customtkinter.CTkButton(
    app, text="Show CTkOverlayedLoadingPopup",
    command=lambda: CTkOverlayedLoadingPopup(app, cancel_button=True)
)
show_overlayed_button.pack(padx=10, pady=10)

app.mainloop()