Refresh
✖
Refresh
Details and Options
- The following options can be given:
-
TrackedSymbols Automatic symbols whose changes trigger an update UpdateInterval Infinity time interval at which to do updates - When Refresh[expr,opts] is evaluated inside a Dynamic, it gives the current value of expr, then specifies criteria for when the Dynamic should be updated.
- When one Refresh appears inside another, the innermost Refresh takes precedence.
- Refresh[expr] resets automatic updating even if it appears inside Refresh[…,None].
- The setting UpdateInterval->t specifies that updating should be done at least every t seconds.
- Refresh has attribute HoldFirst.
Examples
open allclose allBasic Examples (1)Summary of the most common use cases
Scope (2)Survey of the scope of standard use cases
By default, Dynamic updates as fast as possible:
In[1]:=1
✖
https://wolfram.com/xid/0bn6r72-e6nad9
Out[1]=1
Control the update using TrackedSymbols and UpdateInterval:
In[2]:=2
✖
https://wolfram.com/xid/0bn6r72-erzhnp
Out[2]=2
Update 
only when 
updates in a Manipulate:
In[1]:=1
✖
https://wolfram.com/xid/0bn6r72-m7rgmm
Out[1]=1
Use UpdateInterval to specify how often 
should update:
In[2]:=2
✖
https://wolfram.com/xid/0bn6r72-wo0a0i
Out[2]=2
Wolfram Research (2007), Refresh, Wolfram Language function, https://reference.wolfram.com/language/ref/Refresh.html.
✖
Wolfram Research (2007), Refresh, Wolfram Language function, https://reference.wolfram.com/language/ref/Refresh.html.Text
Wolfram Research (2007), Refresh, Wolfram Language function, https://reference.wolfram.com/language/ref/Refresh.html.
✖
Wolfram Research (2007), Refresh, Wolfram Language function, https://reference.wolfram.com/language/ref/Refresh.html.CMS
Wolfram Language. 2007. "Refresh." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Refresh.html.
✖
Wolfram Language. 2007. "Refresh." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Refresh.html.APA
Wolfram Language. (2007). Refresh. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Refresh.html
✖
Wolfram Language. (2007). Refresh. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Refresh.htmlBibTeX
✖
@misc{reference.wolfram_2025_refresh, author="Wolfram Research", title="{Refresh}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/Refresh.html}", note=[Accessed: 28-April-2025
]}BibLaTeX
✖
@online{reference.wolfram_2025_refresh, organization={Wolfram Research}, title={Refresh}, year={2007}, url={https://reference.wolfram.com/language/ref/Refresh.html}, note=[Accessed: 28-April-2025
]}