# Update graphics on parameter change

**URL:** <https://iplug2.discourse.group/t/update-graphics-on-parameter-change/299>\
**Category:** Windows\
**Created:** [4 February 2021 20:33 UTC](https://iplug2.discourse.group/t/update-graphics-on-parameter-change/299 "2021-02-04T20:33:46Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Ric](https://avatars.discourse-cdn.com/v4/letter/r/c77e96/32.png) [@Ric](https://iplug2.discourse.group/u/Ric)\
**Post date:** [5 February 2021 00:57 UTC](https://iplug2.discourse.group/t/update-graphics-on-parameter-change/299/2 "2021-02-05T00:57:38Z")

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There’s a similar topic here: [Updating parameters and control labels dynamically](https://iplug2.discourse.group/t/updating-parameters-and-control-labels-dynamically/266)

I think you want to override the **OnParamChange(paramIndex)** function in order to update your LCD display whenever the parameter associated with the knob changes.

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_[View the full topic](https://iplug2.discourse.group/t/update-graphics-on-parameter-change/299)._