I have a System.Speech.Sythesis issue.

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Visual basic 2010. How to prevent System.Speech.Synthesis from freezing all form controls when operating?
Once the command button is clicked to run the TTS part of my program, everything else stops running. I have a timer running simultaneously to cycle three images into a picturebox, which stops completely until the speech has completed. The same happens to each of the controls on the form, including all command buttons.
I would really appreciate any help you guys can provide.

Posted 2-Jul-14 8:14am

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Sergey Alexandrovich Kryukov · Answer 1 · 2014-07-02T08:19:00

Solution 1

Do the synthesis in a separate thread, not UI thread. Remember that all the use of this API should be performed in one single thread.

Synchronize UI with this thread using usual inter-thread communication/synchronization primitives.

—SA

Posted 2-Jul-14 8:19am

Sergey Alexandrovich Kryukov

Updated 2-Jul-14 8:20am

v2