OnRenderTargetChanged() query

[pjsmith]

Hello,

I have noticed, that it seems that under certain (rare) circumstances, OnRenderTargetChanged() or OnStateChange (Terminated) can be called, whilst a loop in OnRender() is actually still running? This might be during playback setup, re-wind, data reconnection, etc. Is this possible? It's not a huge issue, but it does seem to cause some temporary issues as Brushes etc that might be disposed of in OnrenderTargetChanged/State.Terminated might actually still be getting used, if only for milliseconds, in the loop in OnRedner, if the timing is unlucky

Could this be possible?

Thanks.

[NinjaTrader_ChelseaB]

Hello pjsmith,

It would be very unlikely that OnRenderTargetChanged() will trigger in the middle of an OnRender() pass. These are on the same thread.

OnStateChange() is on another thread, and could trigger while OnRender() is in a pass, but the resources would still be disposed properly if the State is State.Terminated.

Brushes should be disposed and created in OnRenderTargetChanged(). If you are having an error message, when properly coding this, please report it.

Below is a link to an example of working with brushes.

https://ninjatrader.com/support/forum/forum/ninjatrader-8/indicator-development/98639-performance-optimization?p=789606#post789606

https://ninjatraderecosystem.com/user-app-share-download/jtrealstats-realtime-level-ii-tick-volume/