import tkinter as tk root = tk.Tk() root.wait_visibility(root) root.wm_attributes("-fullscreen", 1) root.wm_attributes("-transparentcolor", root['bg']) frame = tk.Frame(root) frame.pack() canvas = tk.Canvas(frame, width=root.winfo_width(), height=root.winfo_height()) canvas.pack() canvas.create_rectangle(50, 25, 150, 75, fill="red") root.mainloop()
