For more information and history take a look at my reply in this thread:
In dealing with TradeStation support a Senior EasyLanguage Engineer replied:
"In order to be compatible with TradeStation, your DLL should not attempt to do any of the following things, which can interrupt EasyLanguage processing and cause errors:
1) Attempt to display dialog or message boxes
2) Attempt to make calls to out-of-process COM objects
3) Attempt to make calls to Yield()"
Can anyone comment on the above requirements especially number 2? Are the DLL's that NTDataDownload and NTExternalFeed call compliant with TradeStations requirements above?
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