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# Python - Tkinter Spinbox

The Spinbox widget is a variant of the standard Tkinter Entry widget, which can be used to select from a fixed number of values.

## Syntax:

Here is the simple syntax to create this widget:

    w = Spinbox( master, option, ... )

## Parameters:

- master: This represents the parent window.

- options: Here is the list of most commonly used options for this widget. These options can be used as key-value pairs separated by commas.

Option | Description
--- | ---
activebackground | The color of the slider and arrowheads when the mouse is over them.
bg | The color of the slider and arrowheads when the mouse is not over them.
bd | The width of the 3-d borders around the entire perimeter of the trough, and also the width of the 3-d effects on the arrowheads and slider. Default is no border around the trough, and a 2-pixel border around the arrowheads and slider.
command | A procedure to be called whenever the scrollbar is moved.
cursor | The cursor that appears when the mouse is over the scrollbar.
disabledbackground | The background color to use when the widget is disabled.
disabledforeground | The text color to use when the widget is disabled.
fg | Text color.
font | The font to use in this widget.
format | Format string. No default value.
from_ | The minimum value. Used together with to to limit the spinbox range.
justify | Default is LEFT
relief | Default is SUNKEN.
repeatdelay | Together with repeatinterval, this option controls button auto-repeat. Both values are given in milliseconds.
repeatinterval | See repeatdelay.
state | One of NORMAL, DISABLED, or "readonly". Default is NORMAL.
textvariable | No default value.
to | See from.
validate | Validation mode. Default is NONE.
validatecommand | Validation callback. No default value.
values | A tuple containing valid values for this widget. Overrides from/to/increment.
vcmd | Same as validatecommand.
width | Widget width, in character units. Default is 20.
wrap | If true, the up and down buttons will wrap around.
xscrollcommand | Used to connect a spinbox field to a horizontal scrollbar. This option should be set to the set method of the corresponding scrollbar.

# Methods:

Spinbox objects have these methods:

Methods & Description
delete(startindex [,endindex]) This method deletes a specific character or a range of text.
get(startindex [,endindex]) This method returns a specific character or a range of text.
identify(x, y) Identifies the widget element at the given location.
index(index) Returns the absolute value of an index based on the given index.
insert(index [,string]...) This method inserts strings at the specified index location.
invoke(element) Invokes a spinbox button.

## Example:

Try following example yourself:

    from Tkinter import *

    master = Tk()

    w = Spinbox(master, from_=0, to=10)
    w.pack()

    mainloop()

This would produce following result:

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