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Reload Historical Data Programatically

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    Reload Historical Data Programatically

    Is there a NinjaScript method that will allow me to reload historical data on a chart from an add on?

    #2
    Hello SystemTrading,

    Thanks for your post.

    There is a method to ReloadAllHistoricalData() which is reserved for connection status changes and we would not support using it for other purposes. There also is no other supported way to programmatically reload a chart from an AddOn. You may be able to come up with your own solution by looping through each chart, applying focus, and then invoking the Reload All Historical Data operation with Ctrl + Shift + R.

    The Rollover Indications indicator for NinjaTrader 8 could provide some direction for applying focus and raising keyboard events and the loop below can demonstrate looping through all charts.

    Code:
    foreach (var window in NinjaTrader.Core.Globals.AllWindows)
    {
    	//check if the found window is a Chart window, if not continue looking
    	if (!(window is NinjaTrader.Gui.Chart.Chart)) continue;
    
    	window.Dispatcher.InvokeAsync(new Action(() =>
    	{
    		//try to cast as a Chart, if it fails it will be null
    		var foundChart = window as NinjaTrader.Gui.Chart.Chart; 
    		if (foundChart == null) return;
    		
    	}));
    }
    RolloverIndications - https://ninjatrader.com/support/foru...php?linkid=905

    We will not be able to assist further with this unsupported approach, but if you have any other additional questions, please don't hesitate to ask.
    JimNinjaTrader Customer Service

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