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thx for all answers, solves questions for me I coldn't resolve with the research results I found in Ninja help and MS CSharp, VS sites etc. Google / YouTube. Sometimes, especially when new to it, its great to get an answer in the given context of specific code.

for the question about the OnBarUpdate(), I wanted to figure if it is triggered also during the lifetime of a bar.

4exmpl if i have a 1 minute bar, and the price is moving within that minute, is that each an update of the bar per price change ? 

Or is a bar update only periodically after the bar duration, here 1 minute ?

Aha!!! Much better NinjaCoding friend!!!) Once you explain stuff it becomes possible to give you a better answer! By the way, you can fill in your profile and give us a name) anyways, the OnBarUpdate method is called by ninja trader correct on every bar close but only in case if the execution is set to OnBarClose. If execution is set to OnEachTick then the OnBarUpdate method will get called on every single tick that arrives into NinjaTrader. Now, if the execution is set to OnPriceChange then the OnBarUpdate method will get called on every single tick with a NEW price that comes in.

Hope this helps! 

aaah now makes click ... its of course about the calc method !

gotit :))

Tx

Yes, it is set inside the OnSetDefaults or manually using NinjaTrader UI.