python 3.x - How to programically quit mainloop via a tkinter canvas Button -

my program generates several graphs 1 @ time , each has quit button. program pauses in mainloop until press button, generates next graph.

i way programmically press or invoke action associated button, in case root.quit()

i have tried calling invoke() on button doesn't work. feeling event lost before mainloop started.

from tkinter import *   pause = false # passed in arg  root = tk() root.title(name)  canvas = canvas(root, width=canvas_width, height=canvas_height, bg = 'white')  canvas.pack()  quit = button(root, text='quit', command=root.quit) quit.pack()  # make sure drawn canvas.update()          if not pause:     # invoke button event can draw next graph or exit     quit.invoke()  root.mainloop() 

i realised problem event being lost , mainloop blocking used pause arg determine when run mainloop, i.e. on last graph.

see tkinter understanding mainloop

all graphs displayed , when press quit on window windows disappear , program ends.

if there better way please let me know, works.

root = tk() root.title(name) # name passed in arg  # creation of canvas , elements moved function draw( root, ... )  if not pause:     root.update_idletasks()     root.update() else:     mainloop()