Support Board
Date/Time: Mon, 16 Jun 2025 17:59:00 +0000
Post From: how to identify if chart is loading or data is coming in real time
| [2022-09-23 18:37:49] |
| JohnR - User831573 - Posts: 333 |
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I'm thought I could read, but I'm starting to second guess myself. Maybe, I am misinterpretting "Loading". I am taking it to mean while my study is processing each bar during the initial starting of a chart. But after reading it some more, and seeing the results in the debugger, it looks like the "loading" of the data is happening in a different thread and all data can be "Loaded" before the chart starts to process real time data / bars. If the latter is the case, then is there a way for me to know when all bars have been processed during the initial starting / recalculation of a chart? I think if I am suing intraday data, I can look for a change of index #, which is the same logic I use to do calculations once per bar. But if I am using Daily data, and I want to do some analysis at the end of a night, there will be no new bar until the following morning when the market opens. I'm using the 2 lines of code below. When I step through a VS2022 debug session, I am on sc.Index = 1 and The return values of the 2 functions below are opposite of what I expected. I can always just reverse the logic to know when I am "loading a chart initially", but that is now what the docs state. sc.IsChartDataLoadingCompleteForAllCharts(); ---> returns True sc.IsChartDataLoadingInChartbook(); ----> returns false // if chart is loading data and not real time data coming in -> RETURN bool LoadingIsComplete = sc.IsChartDataLoadingCompleteForAllCharts(); bool ChartBookLoadingData = sc.IsChartDataLoadingInChartbook(); if ((not LoadingIsComplete) or ChartBookLoadingData) { lastIndex = sc.Index; return; } Please explain, so I can understand better. Is this a bug? I doubt it. I trying to learn. Thanks in advance for any assistance. JohnR Date Time Of Last Edit: 2022-09-23 18:55:44
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