Beta 2 of new Managed SimConnect SDK now available

Hey All,

I’ve just posted a new Beta 2 release of the Managed SimConnect SDK, here’s the link:

Fixes/Changes since Beta 1

  • IsLocalRunning() function would fault on any machine that hadn’t also ran ESP v1 at least once (sorry about that :->)
  • Returned data that contained a dwoutof or dwArrayCount value wasn’t being handled correctly when there was no data, resulting in an array out of bounds error
  • Fixed the code that receives Facility data to correctly allocate the SIMCONNECT_DATA_FACILITY_Xxx objects within the returned array
  • Added additional sanity checks to data parsing functions to handle “shortened” return structures
  • Limited the API functions that take a data instance to only allow class based objects (struct based objects get passed by value, which doesn’t work here)
  • Changed the void return type on most of the API functions to be an Int32.  The return value is the PacketID of the packet sent for this API call

So, click on the link above and get the latest code.  Any questions/comments/bug reports/etc, drop me a line in the SimConnect Forum on

Tim “Beatle” Gregson


2 Comments on “Beta 2 of new Managed SimConnect SDK now available”

  1. Mario says:

    Just wanted to say THANKS! I\’ve spent quite a few days frustrated with the SimConnect API and trying to make it work with .NET. Within a single evening, thanks to your .NET friendly SimConnect API, I have tripled my progress. Please keep up the great work and consider making the source open for others to develop upon. PS… I don\’t remember how I stumbled upon your blog but this is easily FSX .NET developers best kept secret!

  2. Beatle's says:

    Hey Mario,Glad to hear folks are finding the new SDK useful. Unfortunately, I can\’t make the source available – I had to get special permission from my boss (and his boss) just to release the binaries :->. As to this being the best kept secret, the public beta has only been available for about 4 weeks now, so hopefully it will catch on :->Tim

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