MinIntervalSize
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MinIntervalSize
is an option for IntervalSlider that specifies the minimum size of the interval during interactive editing.
Details

- The default setting of MinIntervalSize->0 allows the two IntervalSlider thumbs to take on the same value.
- If a step size is given, any positive MinIntervalSize will effectively be interpreted as a multiple of the step size.
- If MinIntervalSize is set to a value larger than the domain of the slider, then no interactive editing will be allowed.
Examples
open allclose allBasic Examples (2)Summary of the most common use cases
By default, IntervalSlider allows the two thumbs to take on the same value:

https://wolfram.com/xid/0dcz2g51r9ca-5k845c

If the two thumbs must have different values, set MinIntervalSize to a positive number:

https://wolfram.com/xid/0dcz2g51r9ca-hkk75y

Scope (4)Survey of the scope of standard use cases
Any positive value will effectively be interpreted as a multiple of the step size:

https://wolfram.com/xid/0dcz2g51r9ca-k7mks0

MinIntervalSize is often used with a Method setting, to keep the interval oriented:

https://wolfram.com/xid/0dcz2g51r9ca-hc133h

MinIntervalSize does not change the given initial settings:

https://wolfram.com/xid/0dcz2g51r9ca-htwwsz

MinIntervalSize does not impose limitations on programmatic settings of the interval value:

https://wolfram.com/xid/0dcz2g51r9ca-z3n9t

Possible Issues (2)Common pitfalls and unexpected behavior
Setting MinIntervalSize larger than the overall slider size will not allow interactive editing:

https://wolfram.com/xid/0dcz2g51r9ca-rl7t8u

MinIntervalSize only affects interactions with the IntervalSlider control; other controls are not affected:

https://wolfram.com/xid/0dcz2g51r9ca-9ssl8

Wolfram Research (2014), MinIntervalSize, Wolfram Language function, https://reference.wolfram.com/language/ref/MinIntervalSize.html.
Text
Wolfram Research (2014), MinIntervalSize, Wolfram Language function, https://reference.wolfram.com/language/ref/MinIntervalSize.html.
Wolfram Research (2014), MinIntervalSize, Wolfram Language function, https://reference.wolfram.com/language/ref/MinIntervalSize.html.
CMS
Wolfram Language. 2014. "MinIntervalSize." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/MinIntervalSize.html.
Wolfram Language. 2014. "MinIntervalSize." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/MinIntervalSize.html.
APA
Wolfram Language. (2014). MinIntervalSize. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/MinIntervalSize.html
Wolfram Language. (2014). MinIntervalSize. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/MinIntervalSize.html
BibTeX
@misc{reference.wolfram_2025_minintervalsize, author="Wolfram Research", title="{MinIntervalSize}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/MinIntervalSize.html}", note=[Accessed: 10-July-2025
]}
BibLaTeX
@online{reference.wolfram_2025_minintervalsize, organization={Wolfram Research}, title={MinIntervalSize}, year={2014}, url={https://reference.wolfram.com/language/ref/MinIntervalSize.html}, note=[Accessed: 10-July-2025
]}