wxWidget3.0.1(gtk) : Error: this is a multi-threaded client and XInitThreads has not been called

[Mahmoud Eltahawy]

Hi All,

I am using wxWidget3.0.1(gtk) and I am trying to access the wxGrid from a thread body (locking/unlock gui during access) but I got this message:

[xcb] Unknown request in queue while dequeuing

[xcb] Most likely this is a multi-threaded client and XInitThreads has not been called

[xcb] Aborting, sorry about that.

 xcb_io.c:178: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.

Can u please help?

Thanks

Mahmoud

[Igor Korot]

Hi, Mahmoud,
Accessing GUI from secondary thread is not supported.
You best choice is to post event from the thread to the main GUI thread and process the event.

Thank you.

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[Mahmoud Eltahawy]

Hi Igor,

But I  am using wxMutexGuiEnter before access wxGrid and wxMutexGuiLeave after ..is it still supported?

Thanks

Mahmoud