Creating a custom chart marker. Best approach?

[AuctorOccasio]

Hi,

The screenshot attached below is an example of what I'm looking to incorporate into my charts. The idea is that I can create custom 'icons' for buy and sell signals produced by an indicator. I'm just wondering what the best approach for this method is. Obviously I've gone down the SharpDX route but it's very unstable, some days it's completely fine and other days NT will crash before even being able to completely start up when the indicator is loaded on even 1 or many charts.

Thanks

[NinjaTrader_ChelseaB]

Hello AuctorOccasio,

All drawing tools render in OnRender using SharpDX.

If you are making a custom drawing tool, you will have to render with SharpDX.

If you are getting a crash, there is something wrong in the logic of the script.

Be sure you are re-using objects when possible, and re-initializing device dependent objects in OnRenderTargetChanged().

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

[AuctorOccasio]

Thanks for that Chelsea that definitely seems to have done the trick. I suspected it was my poor resource management that was likely the issue haha. Much appreciated.