Downloaded the example NinjaTraderAddOnProject (http://ninjatrader.com/support/helpG...dOnProject.zip).
Opened NinjaTraderAddOnProject.sln in Microsoft Visual Studio Professional 2017 Version 15.9.18+28307.960
Selected AddOnPage.xaml
Immediately generated an error in the Designer: Exception: Cannot create an instance of "NTTabPage_0".
Advice gratefully received. Thanks.
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