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Python - Tkinter pack() Method
This geometry manager organizes widgets in blocks before placing them in the parent widget.
Syntax:
widget.pack( pack_options )
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Here is the list of possible options:
expand: When set to true, widget expands to fill any space not otherwise used in widget's parent.
fill: Determines whether widget fills any extra space allocated to it by the packer, or keeps its own minimal dimensions: NONE (default), X (fill only horizontally), Y (fill only vertically), or BOTH (fill both horizontally and vertically).
side: Determines which side of the parent widget packs against: TOP (default), BOTTOM, LEFT, or RIGHT.
Example:
Try following example by moving cursor on different buttons:
from Tkinter import *
root = Tk()
frame = Frame(root)
frame.pack()
bottomframe = Frame(root)
bottomframe.pack( side = BOTTOM )
redbutton = Button(frame, text="Red", fg="red")
redbutton.pack( side = LEFT)
greenbutton = Button(frame, text="Brown", fg="brown")
greenbutton.pack( side = LEFT )
bluebutton = Button(frame, text="Blue", fg="blue")
bluebutton.pack( side = LEFT )
blackbutton = Button(bottomframe, text="Black", fg="black")
blackbutton.pack( side = BOTTOM)
root.mainloop()
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This would produce following result:
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