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**llanqui** · 02-09-2025, 08:58 AM

the reason I ask is that if ChartTrader goes from Off to On (Shown), then this event seems to not fire:

accountSelector.SelectionChanged

I notice this if the chart is loaded with ChartTrader Off, then toggled On, the event does not fire

and then if the Account is changed, the event does not fire until I reload the indicators...

???

**NinjaTrader_ChelseaB** · 02-10-2025, 08:26 AM

Hello llanqui,

The ChartControl.Properties.ChartTraderVisibility enum property would provide if the ChartTrader is visible.

NinjaTrader Developer Community | NinjaScript Resources & Documentation

https://developer.ninjatrader.com/docs/desktop/chartcontrol_properties

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However, there is no documented event for when the visibility changes.

NinjaTrader_Jesse has provided some undocumented code in the forum posts below.

https://forum.ninjatrader.com/forum/ninjatrader-8/indicator-development/106066-show-chart-trader?p=820677#post820677

https://forum.ninjatrader.com/forum/ninjatrader-8/indicator-development/1054643-show-hide-chart-trader?p=1054650#post1054650

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how to tell when ChartTrader is made visible / hidden

how to tell when ChartTrader is made visible / hidden

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