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FSX SimConnect_CallDispatch works sometimes only

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31
Hello!
Could anyone help me with SimConnect_CallDispatch() function and the callback it sends a pointer to? Searching the forum for similar issues didn't helped.

I have a standalone EXE app, it uses Simconnect in order to send and receive miscellaneous data to/from aircraft.
As recommended in SDK documentation, I call SimConnect_CallDispatch() constantly in a 'while()' loop. It always returns S_OK, but actually works only when aircraft is (re-)loaded after this.
I mean my callback function is never called when I start my app, start FSX and connect to Simconnect, but it starts working when I reload the aircraft.

So how can I start working with aircraft data straight away after 1st successful call of SimConnect_Open()?

Thank you in advance.
 
If you are doing all your initialization in the SimStart event, try moving it to the receive open handler instead, SimStart isn't guaranteed to be sent to external apps that connect after flight sim starts up (gauges that use SimConnect will receive this as they get loaded before the SimStart event is sent).
 
If you are doing all your initialization in the SimStart event, try moving it to the receive open handler instead, SimStart isn't guaranteed to be sent to external apps that connect after flight sim starts up (gauges that use SimConnect will receive this as they get loaded before the SimStart event is sent).

It helped. Thank you Tim!
 
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